Product Compare

AMD Radeon RX 7800 XT vs AMD Radeon RX 580X

GPU GPU
Graphics Card
Release Date Aug 2023 Apr 2018
Generation Navi III Polaris
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1295 MHz 1257 MHz
Boost Clock 2430 MHz 1340 MHz
Memory Clock 2438 MHz 2000 MHz
Memory
Memory Size 16GB 8GB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 256bit
Bandwidth 624.1GB/s 256.0GB/s
Render Config
Compute Units 60 36
Shading Units 3840 2304
TMUs 240 144
ROPs 96 32
RT Cores 60
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 4 MB 2 MB
L3 Cache 64 MB
Theoretical Performance
Pixel Rate 233.3 GPixel/s 42.88 GPixel/s
Texture Rate 583.2 GTexel/s 193.0 GTexel/s
FP16 (half) 74.65 TFLOPS 6.175 TFLOPS
FP32 (float) 37.32 TFLOPS 6.175 TFLOPS
FP64 (double) 1166.4 GFLOPS 385.9 GFLOPS
Graphics Processor
GPU Name Navi 32 Polaris 20
GPU Variant Navi 32 XT(215-180000006) Polaris 20 XTX(215-0910038)
Architecture RDNA 3.0 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 5 nm 14 nm
Transistors 28.1 billion 5.7 billion
Die Size 346 mm² 232 mm²
Board Design
TDP 263W 185W
Suggested PSU 600 W 450 W
Outputs 1x HDMI 2.1a3x DisplayPort 2.1 1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors 2x 8-pin 1x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.2 2.1
Vulkan 1.3 1.2
Shader Model 6.8 6.4