Product Compare

AMD Radeon RX 7900 GRE vs AMD Radeon R9 M290X

GPU GPU
Graphics Card
Release Date Jul 2023 Jan 2014
Generation Navi III Gem System
Type Desktop Mobile
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1287 MHz 850 MHz
Boost Clock 2245 MHz 900 MHz
Memory Clock 2250 MHz 1200 MHz
Memory
Memory Size 16GB 4GB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 256bit
Bandwidth 576.0GB/s 153.6GB/s
Render Config
Compute Units 80 20
Shading Units 5120 1280
TMUs 320 80
ROPs 160 32
RT Cores 80
L1 Cache 256 KB per Array 16 KB (per CU)
L2 Cache 6 MB 512 KB
L3 Cache 64 MB
Theoretical Performance
Pixel Rate 359.2 GPixel/s 28.80 GPixel/s
Texture Rate 718.4 GTexel/s 72.00 GTexel/s
FP16 (half) 91.96 TFLOPS
FP32 (float) 45.98 TFLOPS 2.304 TFLOPS
FP64 (double) 1436.8 GFLOPS 144.0 GFLOPS
Graphics Processor
GPU Name Navi 31 Neptune
GPU Variant Navi 31 XL(215-145000206) Neptune XT(216-0847000)
Architecture RDNA 3.0 GCN 1.0
Foundry TSMC TSMC
Process Size 5 nm 28 nm
Transistors 57.7 billion 2.8 billion
Die Size 529 mm² 212 mm²
Board Design
TDP 260W 100W
Suggested PSU 600 W
Outputs 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C Portable Device Dependent
Power Connectors 2x 8-pin None
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.2 2.1 (1.2)
Vulkan 1.3 1.2.170
Shader Model 6.8 6.5 (5.1)