Product Compare

ATI FirePro V7900 SDI vs AMD Radeon Instinct MI455X

GPU GPU
Graphics Card
Release Date May 2011 Jul 2026
Generation FirePro Radeon Instinct
Type Desktop Desktop
Bus Interface PCIe 2.0 x16 PCIe 6.0 x16
Clock Speeds
Memory Clock 1250 MHz 1900 MHz
Base Clock 1000 MHz
Boost Clock 2400 MHz
Memory
Memory Size 2GB 432GB
Memory Type GDDR5 HBM4
Memory Bus 256bit 24576bit
Bandwidth 160.0GB/s 23.3TB/s
Render Config
Compute Units 20 256
Shading Units 1280 32768
TMUs 80 1024
ROPs 32 0
L1 Cache 8 KB (per CU) 32 KB (per CU)
L2 Cache 512 KB 192 MB
Theoretical Performance
Pixel Rate 23.20 GPixel/s 0 MPixel/s
Texture Rate 58.00 GTexel/s 2457.6 GTexel/s
FP32 (float) 1.856 TFLOPS 157.3 TFLOPS
FP64 (double) 464.0 GFLOPS 2.458 TFLOPS
FP16 (half) 157.3 TFLOPS
Graphics Processor
GPU Name Cayman MI450 256CU
GPU Variant Cayman PRO GL
Architecture TeraScale 3 CDNA 5.0
Foundry TSMC TSMC
Process Size 40 nm 2 nm
Transistors 2.64 billion 320 billion
Die Size 389 mm² Unknown
Board Design
TDP 150W 2300W
Suggested PSU 450 W 2700 W
Outputs 4x SDI No outputs
Power Connectors 1x 6-pin None
Graphics Features
DirectX 11.2 (11_0) N/A
OpenGL 4.4 N/A
OpenCL 1.2 3.0
Vulkan N/A N/A
Shader Model 5.0 N/A