AMD Radeon R9 280 vs NVIDIA RTX PRO 4000 Blackwell SFF
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Aug 2025
Generation
Volcanic Islands
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x8
Clock Speeds
Base Clock
827 MHz
577 MHz
Boost Clock
933 MHz
1432 MHz
Memory Clock
1250 MHz
1125 MHz
Memory
Memory Size
3GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
384bit
192bit
Bandwidth
240.0GB/s
432.0GB/s
Render Config
Compute Units
28
-
Shading Units
1792
8960
TMUs
112
280
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
48 MB
SM Count
-
70
Tensor Cores
-
280
RT Cores
-
70
Theoretical Performance
Pixel Rate
29.86 GPixel/s
137.5 GPixel/s
Texture Rate
104.5 GTexel/s
401.0 GTexel/s
FP32 (float)
3.344 TFLOPS
25.66 TFLOPS
FP64 (double)
836.0 GFLOPS
401.0 GFLOPS
FP16 (half)
-
25.66 TFLOPS
Graphics Processor
GPU Name
Tahiti
GB203
GPU Variant
Tahiti PRO3(215-0821330)
-
Architecture
GCN 1.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
45.6 billion
Die Size
352 mm²
378 mm²
Board Design
TDP
200W
70W
Suggested PSU
550 W
250 W
Outputs
1x DVI2x HDMI 1.4a1x DisplayPort 1.2
4x mini-DisplayPort 2.1b
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.4
Shader Model
5.1
6.8
CUDA
-
12.0