Product Compare

AMD Radeon RX 8800 XT vs AMD Radeon R9 280X2

GPU GPU
Graphics Card
Release Date Unknown Unknown
Generation Navi IV(RX 8000) Volcanic Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1295 MHz 950 MHz
Boost Clock 2430 MHz 1000 MHz
Memory Clock 2438 MHz 1500 MHz
Memory
Memory Size 16GB 3GB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 384bit
Bandwidth 624.1GB/s 288.0GB/s
Render Config
Compute Units 64 32
Shading Units 4096 2048
TMUs 256 128
ROPs 96 32
RT Cores 64
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 4 MB 768 KB
L3 Cache 64 MB
Theoretical Performance
Pixel Rate 233.3 GPixel/s 32.00 GPixel/s
Texture Rate 622.1 GTexel/s 128.0 GTexel/s
FP16 (half) 39.81 TFLOPS
FP32 (float) 19.91 TFLOPS 4.096 TFLOPS
FP64 (double) 622.1 GFLOPS 1024 GFLOPS
Graphics Processor
GPU Name Navi 48 Tahiti
GPU Variant Navi 48 XT Tahiti XTL(215-0821065)
Architecture RDNA 4.0 GCN 1.0
Foundry TSMC TSMC
Process Size 4 nm 28 nm
Transistors Unknown 4.313 billion
Die Size Unknown 352 mm²
Board Design
TDP 220W 375W
Suggested PSU 550 W 750 W
Outputs 1x HDMI 2.1a3x DisplayPort 2.1 6x mini-DisplayPort 1.2
Power Connectors 2x 8-pin 3x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.2 1.2
Vulkan 1.3 1.2
Shader Model 6.8 5.1