AMD Radeon HD 8990 OEM vs NVIDIA RTX PRO 4000 Blackwell SFF
GPU · Specs Compare
Graphics Card
Release Date
Apr 2013
Aug 2025
Generation
Sea Islands
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x8
Clock Speeds
Base Clock
950 MHz
577 MHz
Boost Clock
1000 MHz
1432 MHz
Memory Clock
1500 MHz
1125 MHz
Memory
Memory Size
3GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
384bit
192bit
Bandwidth
288.0GB/s
432.0GB/s
Render Config
Compute Units
32
—
Shading Units
2048
8960
TMUs
128
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
32.00 GPixel/s
137.5 GPixel/s
Texture Rate
128.0 GTexel/s
401.0 GTexel/s
FP32 (float)
4.096 TFLOPS
25.66 TFLOPS
FP64 (double)
1024 GFLOPS
401.0 GFLOPS
FP16 (half)
—
25.66 TFLOPS
Graphics Processor
GPU Name
Malta
GB203
GPU Variant
Malta XT(215-0849026)
—
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
365 mm²
378 mm²
Board Design
TDP
375W
70W
Suggested PSU
750 W
250 W
Outputs
1x DVI4x mini-DisplayPort 1.2
4x mini-DisplayPort 2.1b
Power Connectors
2x 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.