AMD’s Radeon RX 7900 XTX & 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 in terms of their cooling designs and specs but AIB is also working on some really high end custom builds such as Nitro + And the X vapor The series that was ridiculed.
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”
AMD Radeon RX 7900 XTX 24 GB And the Radeon RX 7900 XT 20 GB The graphics cards will be available on December 13th 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 | 5 nm + 6 nm | 5 nm + 6 nm | 7 nm | 7 nm |
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 | 24 GB GDDR6 | 20 GB 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 | 355 watts | 300 watts | 335 watts | 300 watts |
PCIe interface | TBD | TBD | PCIe 4.0 x16 slot | PCIe 4.0 x16 slot |
price | 999 USD | $899 | $1,099 | 999 USD |
news source: Cards video
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