The transition to Zen 4 microarchitecture is a big deal for AMD’s Ryzen 7000 series, but it’s probably not the biggest shift. The upgrade from the AM4 to the AM5 platform represents the most major change for us. In light of the improvement, AMD is now able to supply more configurable features, such as DDR5, PCIe Gen5, additional display outputs (and greater support for integrated GPUs), and quicker USB. Here, we’ll examine this cutting-edge service in greater detail. Our comprehensive review of the AMD Ryzen 9 7950X will be published in the coming days, so stay tuned!
Over the past week, we’ve been hard at work on our review of the AMD Ryzen 9 7950X. The primary issue was that we only got our test system, a wonderful Falcon Northwest Talon, a week ago. Similar to what STH committed to, several major and minor blogs and experts have an embargo on CPU-only media on September 26, 2022.
Having only a week to complete our studies was the largest challenge we faced, while this may appear confusing. As a result, we’ll be breaking up the review into sub-sections tailored to the new chips.
AMD Ryzen 7000 Series Ready!
An Overview of AMD’s Ryzen 7000 Series Processors
First, we’ll look at AMD’s Ryzen 7000-series SOC (SoC). At long last, we’ll be able to serve users on AMD’s Socket AM5 platform.
Since Zen 2, AMD’s normal process for making high-performance devices has been to use one or two CCDs with cores and caches, plus an IO Die (IOD) containing the company’s memory controllers, PCIe controllers, and another I/O. We’ll get more deeply into the CCDs in our Zen 4 article later this week, but for now, let’s focus on the IOD.
The cutting-edge IOD was developed at 6nm resolution. In comparison to previous generations, this is a huge drop. When it comes to the main cores and CCDs, AMD will use a more expensive technique, while the PCIe and memory controllers will use the cheaper one. It’s a huge achievement. Here, we see AMD incorporating not only PCIe Gen5 and DDR5 but also an RDNA 2 GPU into a design that already included these technologies.
Integrated GPUs are not the quickest option, but they are useful for debugging and for those who do not need PCIe add-in graphics processing units. Support for high-speed NICs on consumer-style platforms and troubleshooting are two areas where GPUs incorporated into workstations shine.
As for codecs, AMD’s solution supports h.264/HEVC decoding and encoding in addition to AV1 decoding (but not encoding). There is a lot of flexibility in terms of the visual output, which is a nice added feature. Next, we’ll show off our AM5-based test system so you can see why this matters.
The number of transistors and the size of the die have significant implications as well. The IOD has decreased by 2.4% thanks to the addition of integrated graphics and improved I/O connectivity. The next generation of AMD’s server and high-end workstation systems is something that STH readers should be very enthused about. Soon, AMD will boost the APUs’ memory channels and PCIe Gen5 lanes.
The I/O die uses a lot of power and is a bottleneck for the newer Zen 3 components. By shrinking IODs, AMD will have more leeway in developing large-scale platforms. Good news for the consumer market, as this will eventually lead to the availability of features like integrated GPUs.
Technology Requirements for the AMD Socket AM5 Platform
A further significant improvement to the platform is AMD’s adoption of a new socket design. Some AM4 CPUs had exposed pins that might be damaged by a robust heatsink. Though AM4’s useful life has long since passed, the technology was less expensive for AMD to use when it returned to the performance market with Zen (1). Substituting it is AMD’s socket AM5, which uses the LGA1718 motherboard form factor (Intel Alder Lake is LGA1700 for comparison.) New AM5 architecture makes AMD’s CPUs more competitive with Intel’s.
The move to LGA gives AMD access to 1718 I/O pins, up from the previous total of 1331. There are many benefits to upgrading to DDR4 and DDR5 memory, including a logical increase from 24 to 28 lanes of PCI Express bus. Each component, such as the graphics processing unit (GPU), M.2 solid-state drive (SSD), and chipset, need its own dedicated set of lanes (x4). To accommodate M.2 SSDs, the second set of lanes had to be made, even though AM5 processors lack native SATA compatibility. Therefore, more affordable CPUs and controllers are adding SATA capability.
Currently, the platform only has a single display output, however, it can handle up to three monitors when using USB Type-C. The revision barely increased the number of available USB ports. Many modern motherboards feature enhanced USB connectivity made possible by the chipset. The audio and I/O capabilities of AMD have been upgraded in this latest release.
AMD has performed a notable feat by maintaining the same size as the package. The new socket is compatible with preexisting heatsinks and cooling fans, thanks to the team’s professional engineering. Despite widespread demand from the market, we’d rather AM4 wasn’t made with retrofit heatsinks and fans in mind. Despite the seeming paradox, cooler designs will need to improve as chip power consumption continues to climb. Since it will be very difficult to cool future CPUs, AMD plans to keep AM5 in production until then (we expect DDR6 in 2026).
Consequently, AM5 provides better power delivery. It aids in conserving energy on low-power PCs and supplying more power to high-power processors like the AMD Ryzen 9 7950X under review.
Chipsets X670E and X670 from AMD
However, this graphic highlights an interesting distinction between the AMD X670E and X670 chipsets, which share many characteristics. One of the most striking features of today’s computers is the prevalence of USB ports with higher data transfer rates (10Gbps and 20Gbps connectors, for example). The X670 and X670E chipsets stand out from the crowd since they are dual-chip systems. The ports in both the upstream and the downstream directions are visible. The I/O on the chip upstream is usually better. The CPU can access the downstream semiconductor’s low-value I/O via the upstream chip.
This is fascinating, yes, but it also has enormous real-world implications. The Falcon Northwest Talon motherboard is an ASUS X670E ROG CROSSHAIR Hero, and the processor is an AMD Ryzen 9 7950X.
Nobody here seems very interested in chipsets. To lower the TDP of each chip and allow for passive cooling, it is necessary to physically separate the chipset.
The new X670E chipset and CPU found on the ASUS motherboard used in the Falcon Northwest test setup result in a very high USB loadout. A quick note: USB 4’s 40Gbps support is provided by an ASMedia controller that only needs a few PCIe lanes to operate. This motherboard is not the most costly option, and it includes extra features thanks to the platform it runs on and the reasonable price it sells for.
The X670E differs from the X670 primarily in that it has support for PCIe Gen5. Many consumers probably won’t need PCIe Gen5 anytime soon, given that its implementation is still in its early stages and the recently released NVIDIA GeForce RTX 4000 series only supports PCIe Gen4. As a result of this fact, X670 was created to aid in the reduction of motherboard costs.
AMD’s B650E and B650 chipsets are separate from one another due to the increased complexity and cost of enabling PCIe Gen5.
Fewer I/O choices are available on the B650E and B650 due to the lack of a second chipset. Because of this, they require less room and money to put into action.
How much will the Ryzen 7000 cost?
Both chips are superior to Intel’s flagship model. Despite their impressiveness, however, they do have several flaws: In contrast to Intel’s more affordable DDR4 memory options, AMD’s Zen 4 Ryzen 7000 series starts at a steep $300 and supports only more expensive DDR5 memory.
Does AM4 work with Ryzen 7000?
Ryzen 7000 processors are incompatible with any other sockets, including the new AM5 socket. You may probably reuse your CPU cooler if you’re upgrading directly from an AM4 build, but you’ll need a new motherboard due to the socket shift and the adoption of DDR5 memory.
What is AMD AM5?
AMD Ryzen microprocessors beginning with the Zen 4 microarchitecture employ a new CPU socket called Socket AM5 (LGA 1718), which is a zero-insertion-force flip-chip land grid array (LGA) created by Advanced Micro Devices. Socket AM4 has been replaced by AM5, which is AMD’s first LGA socket made for non-enthusiast CPUs.
Is AMD or Ryzen the better option?
The Ryzen 7 5800X3D from AMD is now the most powerful desktop processor available, but it is not without several important drawbacks that you should be aware of before making the purchase. For example, the cache does not speed up all games, and it does not affect application performance.
What motherboard will the Ryzen 7000 use?
Anyone seeking to upgrade to a Ryzen 7000 series CPU will need to purchase a new motherboard because these processors use the new 1718-pin Land Grid Array (LGA) AM5 socket. Due to incompatibility with DDR4 memory, users of new boards will also need to buy a new set of DDR5 memory.
What is Ryzen 7000’s DDR4 support like?
In addition to the aforementioned features, Ryzen 7000 also includes DDR5 compatibility but does not accommodate DDR4 memory. Memory prices are beginning to drop, and AMD has said that DDR4 has seen its day and that DDR5 is the way of the future.
Where does the Ryzen 7000 fit into the socket?
The processor connectors for this new socket are located on the motherboard (as opposed to the CPU) thanks to the LGA1718 design standard. Long Intel has been using LGA sockets for a while now, AMD has persisted with the older Pin Grid Array (PGA) socket design for all of its CPUs up until the Ryzen 5000 series.
What is the best RAM for AMD 5900X?
When it comes to RAM for the Ryzen 9 5900X, Corsair Vengeance LPX is your best bet. It’s made to function at the highest levels possible and can even be overclocked. This RAM module can operate up to 3200 MHz and features a cutting-edge heat spreader to provide maximum cooling performance.
There have been several noteworthy advancements at AMD recently, including the AM5 platform, new chipsets, and the AMD Ryzen 7000 series SoC. It’s great to see AMD ditch the outdated Socket AM4 in favor of a newer, more capable architecture.
Shortly, we will be providing a deeper dive into Zen 4, including benchmark performance statistics, so be sure to keep checking back with STH. We had to cut this piece short due to time constraints, but the other sections and the film that includes them are still in the editing process and will be completed and posted as soon as possible. Please follow our website for the latest update on techynew.com and share it with your friends.
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