NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon R9 280X2
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Unknown
Generation
Blackwell PRO W
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
577 MHz
950 MHz
Boost Clock
1432 MHz
1000 MHz
Memory Clock
1125 MHz
1500 MHz
Memory
Memory Size
24GB
3GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
384bit
Bandwidth
432.0GB/s
288.0GB/s
Render Config
SM Count
70
—
Shading Units
8960
2048
TMUs
280
128
ROPs
96
32
Tensor Cores
280
—
RT Cores
70
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
137.5 GPixel/s
32.00 GPixel/s
Texture Rate
401.0 GTexel/s
128.0 GTexel/s
FP16 (half)
25.66 TFLOPS
—
FP32 (float)
25.66 TFLOPS
4.096 TFLOPS
FP64 (double)
401.0 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GB203
Tahiti
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
4.313 billion
Die Size
378 mm²
352 mm²
GPU Variant
—
Tahiti XTL(215-0821065)
Board Design
TDP
70W
375W
Suggested PSU
250 W
750 W
Outputs
4x mini-DisplayPort 2.1b
6x mini-DisplayPort 1.2
Power Connectors
None
3x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.4
1.2
CUDA
12.0
—
Shader Model
6.8
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.