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AMD Radeon RX 7900 “RDNA 3” engineering sample revealed, massive cooler with three fans and just two 8-pin connectors

AMD Radeon RX 7900 Series Engineering SampleRDNA 3” a video card with a massive cooler was depicted.

AMD Reference Radeon RX 7000 Series “RDNA 3” Graphics Card Cooler Illustrated with Engineering Board Requires Dual 8-Pin Connectors

In the latest leak published HXL (@9550pro), we might see AMD’s next-gen reference cooler. The card can be seen next to the Radeon RX 6950 XT reference model, which we will be comparing it to. There is no clear indication as to whether this is an XT or XTX variant, but this card is definitely part of the high-end Navi 3x “Radeon RX 7900” family, which will feature MCM architecture.

So, starting with the details, we can see a similar card that was teased AMD some time ago. The card comes with a 2.5-slot cooler that is slightly thicker and includes triple biaxial fans, each with 9 fan blades. These fans push air towards a massive aluminum heatsink that sits under the case and above vital components like the GPU, VRAM, and VRM.

The card also has a really futuristic shroud design that looks absolutely gorgeous. On the front, there are two RGB accent strips around the middle fan and two metal frames in the center. The “Radeon” logo can be seen on the side, and once again, it should glow with RGB LEDs. The sides of the card show that the card is much longer than the previous flagship RDNA 2. The Radeon RX 7000 series has a larger heatsink as well as a distinct design with 3 red stripes. There is also more space on the sides for air to pass through.

The most interesting aspect of this AMD Radeon RX 7900 “RDNA 3” graphics card is that it only comes with two 8-pin connectors, which is something that AMD itself confirmed a few days ago when Scott Herkelman stated that they would not be using the 16-pin connector used by NVIDIA. The card also doesn’t have a back panel, and since it’s an engineering board with a red PCB, that makes sense. We don’t expect power delivery to change much in the final PCB design, but we do know that AMD has prepared several PCBs for its RDNA 3 family, as detailed here.

AMD confirmed that its RDNA 3 GPUs will arrive later this year with big performance boosts. Radeon Technologies Group Senior Vice President of Development David Wang said that the next generation GPUs for the Radeon RX 7000 series will offer more than 50% performance per watt increase compared to the existing RDNA 2 GPUs. Some of the key features of the GPUs The RDNA 3 highlighted by AMD will include:

  • 5nm processor node
  • Advanced Chiplet Packaging
  • Rebuilt computing unit
  • Optimized graphics pipeline
  • Next Generation AMD Infinity Cache
  • Improved ray tracing capabilities
  • Refined adaptive power management
  • >50% Perf/Watt vs RDNA 2

The two graphics cards expected to be unveiled this week will include Radeon RX 7900 XTX 24GB and RX 7900 XT 20GB. AMD will unveil its RDNA 3 GPU architecture and Radeon RX 7000 graphics card on November 3. They have scheduled a full live stream, which you can read more about here.

AMD Radeon RX 7900 XT “preliminary” specs:

Graphics card AMD Radeon RX 7900 XTX AMD Radeon RX 7900 XT AMD Radeon RX 6950 XT AMD Radeon RX 6900 XT
graphic processor Navi 31 XTX Navi 31 XT Navi 21 KXTX Navi 21 XTX
Process node 5 nm+6 nm 5 nm+6 nm 7 nm 7 nm
Stamp size 308 mm2 (GCD only)
533 mm2 (with MCD)
308 mm2 (GCD only)
533 mm2 (with MCD)
520 mm2 520 mm2
Transistors It is being clarified It is being clarified 26.8 billion 26.8 billion
GPU WGP 48 42 40 40
Stream processors 12288 10752 5120 5120
TMU/ROP It is being clarified It is being clarified 320 / 128 320 / 128
Clock game It is being clarified It is being clarified 2100 MHz 2015 MHz
Zoom in on the clock >3 GHz >3 GHz 2310 MHz 2250 MHz
FP32 TFLOP >75 TFLOPs >65 TFLOPs 23.65 TFLOPs 23.04 TFLOPs
Memory size 24 GB GDDR6 20GB of GDDR6 16GB of GDDR6 16GB of GDDR6
Infinite cache 96 MB 80 MB 128 MB 128 MB
Tire of memory 384-bit 320-bit 256-bit 256-bit
Memory clock ~20 Gbps ~20 Gbps 18 Gbps 16 Gbit/s
Bandwidth ~960 GB/s ~800 GB/s 576 GB/s 512 GB/s
Effective bandwidth It is being clarified It is being clarified 1728.2 GB/s 1664.2 GB/s
TBP ~400 W ~350 W 335 W 300 W
PCIe interface PCIe 5.0 x16 PCIe 5.0 x16 PCIe 4.0 x16 PCIe 4.0 x16
Price It is being clarified It is being clarified 1099 USD 999 USD


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