Product Compare

AMD Radeon RX 7950 XT vs AMD Radeon HD 8770 OEM

GPU GPU
Graphics Card
Release Date Unknown Sep 2013
Generation Navi III Sea Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 2000 MHz
Boost Clock 3000 MHz
Memory Clock 2500 MHz 1500 MHz
Memory
Memory Size 20GB 1024MB
Memory Type GDDR6 GDDR5
Memory Bus 320bit 128bit
Bandwidth 800.0GB/s 96.00GB/s
Render Config
Compute Units 84 14
Shading Units 5376 896
TMUs 336 56
ROPs 192 16
RT Cores 84
L1 Cache 256 KB per Array 16 KB (per CU)
L2 Cache 6 MB 256 KB
L3 Cache 80 MB
Theoretical Performance
Pixel Rate 576.0 GPixel/s 16.80 GPixel/s
Texture Rate 1008 GTexel/s 58.80 GTexel/s
FP16 (half) 129.0 TFLOPS
FP32 (float) 64.51 TFLOPS 1.882 TFLOPS
FP64 (double) 2.016 TFLOPS 117.6 GFLOPS
Graphics Processor
GPU Name Navi 31 Bonaire
GPU Variant Navi 31 XT+ Bonaire XT(215-0839039)
Architecture RDNA 3.0 GCN 2.0
Foundry TSMC TSMC
Process Size 5 nm 28 nm
Transistors 57.7 billion 2.08 billion
Die Size 529 mm² 160 mm²
Board Design
TDP 300W 85W
Suggested PSU 700 W 250 W
Outputs 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 2x 8-pin 1x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.2 2.0
Vulkan 1.3 1.2
Shader Model 6.7 6.3