NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Jun 2015
Generation
Blackwell PRO W
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
577 MHz
-
Boost Clock
1432 MHz
-
Memory Clock
1125 MHz
1500 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
512bit
Bandwidth
432.0GB/s
384.0GB/s
Render Config
SM Count
70
-
Shading Units
8960
2560
TMUs
280
160
ROPs
96
64
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
1024 KB
Compute Units
-
40
Theoretical Performance
Pixel Rate
137.5 GPixel/s
64.00 GPixel/s
Texture Rate
401.0 GTexel/s
160.0 GTexel/s
FP16 (half)
25.66 TFLOPS
-
FP32 (float)
25.66 TFLOPS
5.120 TFLOPS
FP64 (double)
401.0 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
GB203
Grenada
Architecture
Blackwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
6.2 billion
Die Size
378 mm²
438 mm²
GPU Variant
-
Grenada PRO(215-0880030)
Board Design
TDP
70W
275W
Suggested PSU
250 W
600 W
Outputs
4x mini-DisplayPort 2.1b
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.3
📊 Benchmark
3DMark Time Spy
-
3,964
3DMark Time Spy Extreme
-
1,931