NVIDIA RTX PRO 4000 Blackwell vs AMD Radeon Instinct MI300A
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Dec 2023
Generation
Blackwell PRO W
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1230 MHz
1000 MHz
Boost Clock
2055 MHz
2100 MHz
Memory Clock
1750 MHz
2525 MHz
Memory
Memory Size
24GB
192GB
Memory Type
GDDR7
HBM3
Memory Bus
192bit
8192bit
Bandwidth
672.0GB/s
10.3TB/s
Render Config
SM Count
70
-
Shading Units
8960
19456
TMUs
280
1216
ROPs
96
0
Tensor Cores
280
1216
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
16 MB
Compute Units
-
304
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
197.3 GPixel/s
0 MPixel/s
Texture Rate
575.4 GTexel/s
2554 GTexel/s
FP16 (half)
36.83 TFLOPS
653.7 TFLOPS
FP32 (float)
36.83 TFLOPS
81.72 TFLOPS
FP64 (double)
575.4 GFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
GB203
Aqua Vanjaram
Architecture
Blackwell 2.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
45.6 billion
153 billion
Die Size
378 mm²
1017 mm²
Board Design
TDP
140W
750W
Suggested PSU
300 W
1150 W
Outputs
4x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.4
N/A
CUDA
12.0
-
Shader Model
6.8
N/A