AMD Radeon R9 285 vs NVIDIA RTX PRO 4000 Blackwell
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Mar 2025
Generation
Volcanic Islands
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1375 MHz
1750 MHz
Base Clock
—
1230 MHz
Boost Clock
—
2055 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
192bit
Bandwidth
176.0GB/s
672.0GB/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
512 KB
48 MB
SM Count
—
70
Tensor Cores
—
280
RT Cores
—
70
Theoretical Performance
Pixel Rate
29.38 GPixel/s
197.3 GPixel/s
Texture Rate
102.8 GTexel/s
575.4 GTexel/s
FP16 (half)
3.290 TFLOPS
36.83 TFLOPS
FP32 (float)
3.290 TFLOPS
36.83 TFLOPS
FP64 (double)
205.6 GFLOPS
575.4 GFLOPS
Graphics Processor
GPU Name
Tonga
GB203
GPU Variant
Tonga PRO(215-0851128)
—
Architecture
GCN 3.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
45.6 billion
Die Size
366 mm²
378 mm²
Board Design
TDP
190W
140W
Suggested PSU
450 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 2.1b
Power Connectors
2x 6-pin
1x 16-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2.170
1.4
Shader Model
6.5
6.8
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.