Product Compare

AMD Radeon Instinct MI25 vs AMD Radeon RX 6800M

GPU GPU
Graphics Card
Release Date Jun 2017 May 2021
Generation Radeon Instinct Mobility Radeon
Type Professional Mobile
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1400 MHz 2116 MHz
Boost Clock 1500 MHz 2390 MHz
Memory Clock 852 MHz 2000 MHz
Memory
Memory Size 16GB 12GB
Memory Type HBM2 GDDR6
Memory Bus 2048bit 192bit
Bandwidth 436.2GB/s 384.0GB/s
Render Config
Compute Units 64 40
Shading Units 4096 2560
TMUs 256 160
ROPs 64 64
L1 Cache 16 KB (per CU) 128 KB per Array
L2 Cache 4 MB 3 MB
RT Cores 40
L3 Cache 96 MB
Theoretical Performance
Pixel Rate 96.00 GPixel/s 153.0 GPixel/s
Texture Rate 384.0 GTexel/s 382.4 GTexel/s
FP16 (half) 24.58 TFLOPS 24.47 TFLOPS
FP32 (float) 12.29 TFLOPS 12.24 TFLOPS
FP64 (double) 768.0 GFLOPS 764.8 GFLOPS
Graphics Processor
GPU Name Vega 10 Navi 22
GPU Variant Vega 10 XT GL(215-0894124) Navi 22 XTM
Architecture GCN 5.0 RDNA 2.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 7 nm
Transistors 12.5 billion 17.2 billion
Die Size 495 mm² 335 mm²
Board Design
TDP 300W 145W
Suggested PSU 700 W
Outputs No outputs No outputs
Power Connectors 2x 8-pin None
Graphics Features
DirectX 12 (12_1) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2 1.3
Shader Model 6.4 6.5