NVIDIA RTX A4000 Max-Q vs AMD Radeon HD 8990 OEM
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Apr 2013
Generation
Ampere-MW
Sea Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
780 MHz
950 MHz
Boost Clock
1395 MHz
1000 MHz
Memory Clock
1375 MHz
1500 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
352.0GB/s
288.0GB/s
Render Config
SM Count
40
—
Shading Units
5120
2048
TMUs
160
128
ROPs
80
32
Tensor Cores
160
—
RT Cores
40
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
111.6 GPixel/s
32.00 GPixel/s
Texture Rate
223.2 GTexel/s
128.0 GTexel/s
FP16 (half)
14.28 TFLOPS
—
FP32 (float)
14.28 TFLOPS
4.096 TFLOPS
FP64 (double)
223.2 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GA104
Malta
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
4.313 billion
Die Size
392 mm²
365 mm²
GPU Variant
—
Malta XT(215-0849026)
Board Design
TDP
80W
375W
Outputs
Portable Device Dependent
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Suggested PSU
—
750 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.8
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.