NVIDIA RTX PRO 4000 Blackwell vs AMD Radeon R9 M385
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
May 2015
Generation
Blackwell PRO W
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1230 MHz
900 MHz
Boost Clock
2055 MHz
1000 MHz
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
128bit
Bandwidth
672.0GB/s
76.80GB/s
Render Config
SM Count
70
-
Shading Units
8960
896
TMUs
280
56
ROPs
96
16
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
256 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
197.3 GPixel/s
16.00 GPixel/s
Texture Rate
575.4 GTexel/s
56.00 GTexel/s
FP16 (half)
36.83 TFLOPS
-
FP32 (float)
36.83 TFLOPS
1.792 TFLOPS
FP64 (double)
575.4 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
GB203
Strato
Architecture
Blackwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.08 billion
Die Size
378 mm²
160 mm²
GPU Variant
-
Strato XT
Board Design
TDP
140W
Unknown
Suggested PSU
300 W
-
Outputs
4x DisplayPort 2.1b
Portable Device Dependent
Power Connectors
1x 16-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2.170
CUDA
12.0
-
Shader Model
6.8
6.5