Sapphire AMD Radeon RX 7900 XTX and 7900 XT reference models listed on Amazon

AMD’s Radeon RX 7900 XTX and RX 7900 XT graphics cards are listed by Amazon in Sapphire reference flavors.

Sapphire’s Reference Radeon RX 7900 XTX & RX 7900 XT Card Listed at Amazon

Sapphire becomes the first AMD AIB partner to list the Radeon RX 7900 series of graphics cards that includes the 7900 XTX and 7900 XT. Both graphics cards are reference models, so details on each are already known regarding their cooling designs and specs, but AIB has also been working on some really high-end custom builds like the Nitro+ and Vapor-X series that got teased.

Here are the product links on Amazon, but note that both graphics cards are currently listed as unavailable because the launch is 10 days away:

“Official” AMD Radeon RX 7900 XTX 24GB Graphics Card Specifications

The AMD Radeon RX 7900 XTX graphics card uses the full Navi 31 XTX GPU featuring a total of 48 WGPs, 96 CUs, and 6144 cores. The graphics card’s base clock is maintained at 2.3GHz base clock and 2.5GHz base clock, providing up to 61 TFLOP of computing performance at 355W TBP.

  • AMD Navi 31 XTX: 6144 cores, 384-bit bus, 192MB infinity cache, GPU 308mm2 @ 5nm
  • AMD Navi 21 XTX: 5120 cores, 384-bit bus, 128MB infinity cache, GPU 520mm2 @ 7nm

The AMD Radeon RX 7900 XTX graphics card will also carry 6 MCDs which will have an infinity cache of 16MB per die and 96MB in total over a 384-bit wide bus interface. The card features 20GB of VRAM and has a 20Gbps bandwidth offering up to 960GB/s (3.5TB/s with Infinity Cache).

“Official” AMD Radeon RX 7900 XT 20GB Graphics Card Specifications

There will also be a stock variant featuring a Navi 31 XT GPU core. This chip will pack 42 WGPs (84 Compute Units) or 5376 cores and will feature the Radeon RX 7900 XT graphics card. This is 12.5% ​​fewer kernels than the full-fat variant. The GPU will also run at slightly lower clock speeds with the game clock rating at just 2.0GHz which is 300MHz slower than the XTX variant and a 100MHz lower boost clock of 2.4GHz at TB 300W.

  • AMD Navi 31 XT: 5376 Cores, 320-bit Bus, 160MB Infinity Cache, 308mm2 GPU Die @ 5nm
  • AMD Navi 21 XT: 4608 cores, 256-bit bus, 128MB infinity cache, GPU 520mm2 @ 7nm

The Radeon RX 7900 XT graphics card will also have 20GB of GDDR6 memory over a 320-bit wide bus interface. With only 5 MCDs enabled, the card will end up with 80MB of Infinity Cache which is 16MB less than the top variant and a drop of 16.6%. The card provides 800 GB/s of bandwidth (3.5 TB/s with Infinity Cache).

AMD Radeon RX 7900 graphics cards offer “RDNA 3”

The AMD Radeon RX 7900 XTX 24GB and Radeon RX 7900 XT 20GB graphics cards will be available on December 13 at $999 and $899, respectively.

“Official” AMD Radeon RX 7900 Series Specifications:

Photographers card AMD Radeon RX 7900 XTX AMD Radeon RX 7900 XT AMD Radeon RX 6950 XT AMD Radeon RX 6900 XT
GPU Navi 31 XTX Navi31XT Navi 21 KXTX Navi 21 XTX
process node 5nm+6nm 5nm+6nm 7nm 7nm
die size 300mm2 (GCD only)
522 mm2 (with MCDs)
300mm2 (GCD only)
522 mm2 (with MCDs)
520 mm2 520 mm2
transistors 58 billion 58 billion 26.8 billion 26.8 billion
GPU WGPs 48 42 40 40
stream processors 6144 5376 5120 5120
TMUs/ROPs 384/192 384/192 320/128 320/128
clock game 2.3 GHz 2.0 GHz 2100 MHz 2015 MHz
clock increase 2.5 GHz 2.4GHz 2310 MHz 2250 MHz
FP32 TFLOPs 61 TFLOPs 52 TFLOPs 23.65 TFLOPs 23.04 TFLOPs
memory size 24GB GDDR6 20GB GDDR6 16 GB GDDR6 16 GB GDDR6
Infinity Cash 96 MB 80 MB 128 MB 128 MB
memory bus 384 bits 320 bits 256 bits 256 bits
memory clock 20 Gbps 20 Gbps 18 Gbps 16 Gbps
bandwidth 960 GB / s 800 GB / sec 576 GB / s 512 GB / s
effective bandwidth 3.5 TB / sec 3.5 TB / sec 1728.2 GB / s 1664.2 GB / s
TBP 355W 300 watts 335W 300 watts
PCIe interface TBD TBD PCIe 4.0 x16 slot PCIe 4.0 x16 slot
price 999 USD $899 $1,099 999 USD

Which AMD Radeon RX 7900 series variant are you most interested in?

News source: Videocardz

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