AMD Radeon HD 8990 OEM vs NVIDIA Rubin GPU
GPU · Specs Compare
Graphics Card
Release Date
Apr 2013
Jan 2026
Generation
Sea Islands
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
950 MHz
700 MHz
Boost Clock
1000 MHz
2267 MHz
Memory Clock
1500 MHz
2695 MHz
Memory
Memory Size
3GB
288GB
Memory Type
GDDR5
HBM4
Memory Bus
384bit
16384bit
Bandwidth
288.0GB/s
22.1TB/s
Render Config
Compute Units
32
—
Shading Units
2048
28672
TMUs
128
896
ROPs
32
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
768 KB
128 MB
SM Count
—
224
Tensor Cores
—
896
Theoretical Performance
Pixel Rate
32.00 GPixel/s
54.41 GPixel/s
Texture Rate
128.0 GTexel/s
2031.2 GTexel/s
FP32 (float)
4.096 TFLOPS
130.0 TFLOPS
FP64 (double)
1024 GFLOPS
32.50 TFLOPS
FP16 (half)
—
260.0 TFLOPS
Graphics Processor
GPU Name
Malta
GR100
GPU Variant
Malta XT(215-0849026)
—
Architecture
GCN 1.0
Rubin
Foundry
TSMC
TSMC
Process Size
28 nm
3 nm
Transistors
4.313 billion
336 billion
Die Size
365 mm²
1456 mm²
Board Design
TDP
375W
2300W
Suggested PSU
750 W
2700 W
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
—
Graphics Features
DirectX
12 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A
CUDA
—
10.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.