Product Compare

AMD Radeon HD 7950 Boost vs AMD Radeon RX 6900 XTX

GPU GPU
Graphics Card
Release Date Jun 2012 Unknown
Generation Southern Islands Navi II
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 850 MHz 2075 MHz
Boost Clock 925 MHz 2435 MHz
Memory Clock 1250 MHz 2250 MHz
Memory
Memory Size 3GB 16GB
Memory Type GDDR5 GDDR6
Memory Bus 384bit 256bit
Bandwidth 240.0GB/s 576.0GB/s
Render Config
Compute Units 28 80
Shading Units 1792 5120
TMUs 112 320
ROPs 32 128
L1 Cache 16 KB (per CU) 128 KB per Array
L2 Cache 768 KB 4 MB
RT Cores 80
L3 Cache 128 MB
Theoretical Performance
Pixel Rate 29.60 GPixel/s 311.7 GPixel/s
Texture Rate 103.6 GTexel/s 779.2 GTexel/s
FP32 (float) 3.315 TFLOPS 24.93 TFLOPS
FP64 (double) 828.8 GFLOPS 1.558 TFLOPS
FP16 (half) 49.87 TFLOPS
Graphics Processor
GPU Name Tahiti Navi 21
GPU Variant Tahiti PRO2(215-0821282) Navi 21 XTXH(215-121000247)
Architecture GCN 1.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 4.313 billion 26.8 billion
Die Size 352 mm² 520 mm²
Board Design
TDP 200W 330W
Suggested PSU 550 W 700 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors 2x 6-pin 2x 8-pin
Graphics Features
DirectX 12 (11_1) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2 1.3
Shader Model 5.1 6.5