Product Compare

AMD Radeon RX 7900 XT vs AMD Radeon Instinct MI25

GPU GPU
Graphics Card
Release Date Nov 2022 Jun 2017
Generation Navi III Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1387 MHz 1400 MHz
Boost Clock 2394 MHz 1500 MHz
Memory Clock 2500 MHz 852 MHz
Memory
Memory Size 20GB 16GB
Memory Type GDDR6 HBM2
Memory Bus 320bit 2048bit
Bandwidth 800.0GB/s 436.2GB/s
Render Config
Compute Units 84 64
Shading Units 5376 4096
TMUs 336 256
ROPs 192 64
RT Cores 84
L1 Cache 256 KB per Array 16 KB (per CU)
L2 Cache 6 MB 4 MB
L3 Cache 80 MB
Theoretical Performance
Pixel Rate 459.6 GPixel/s 96.00 GPixel/s
Texture Rate 804.4 GTexel/s 384.0 GTexel/s
FP16 (half) 103.0 TFLOPS 24.58 TFLOPS
FP32 (float) 51.48 TFLOPS 12.29 TFLOPS
FP64 (double) 1.609 TFLOPS 768.0 GFLOPS
Graphics Processor
GPU Name Navi 31 Vega 10
GPU Variant Navi 31 XT(215-145000156) Vega 10 XT GL(215-0894124)
Architecture RDNA 3.0 GCN 5.0
Foundry TSMC GlobalFoundries
Process Size 5 nm 14 nm
Transistors 57.7 billion 12.5 billion
Die Size 529 mm² 495 mm²
Board Design
TDP 300W 300W
Suggested PSU 700 W 700 W
Outputs 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C No outputs
Power Connectors 2x 8-pin 2x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.2 2.1
Vulkan 1.3 1.2
Shader Model 6.8 6.4