NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon R9 260 OEM
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Dec 2013
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
—
Boost Clock
1432 MHz
—
Memory Clock
1125 MHz
1625 MHz
Memory
Memory Size
24GB
1024MB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
104.0GB/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
137.5 GPixel/s
17.60 GPixel/s
Texture Rate
401.0 GTexel/s
61.60 GTexel/s
FP16 (half)
25.66 TFLOPS
—
FP32 (float)
25.66 TFLOPS
1.971 TFLOPS
FP64 (double)
401.0 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
GB203
Bonaire
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
—
Bonaire XT(215-0839039)
Board Design
TDP
70W
85W
Suggested PSU
250 W
250 W
Outputs
4x mini-DisplayPort 2.1b
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.