NVIDIA RTX A2000 Mobile 8 GB vs AMD Radeon HD 7990
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Apr 2013
Generation
Ampere-MW
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1117 MHz
950 MHz
Boost Clock
1612 MHz
1000 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
384bit
Bandwidth
224.0GB/s
288.0GB/s
Render Config
SM Count
20
-
Shading Units
2560
2048
TMUs
80
128
ROPs
48
32
Tensor Cores
80
-
RT Cores
20
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
2 MB
768 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
77.38 GPixel/s
32.00 GPixel/s
Texture Rate
129.0 GTexel/s
128.0 GTexel/s
FP16 (half)
8.253 TFLOPS
-
FP32 (float)
8.253 TFLOPS
4.096 TFLOPS
FP64 (double)
129.0 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GA107
Malta
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
8.7 billion
4.313 billion
Die Size
200 mm²
365 mm²
GPU Variant
-
Malta XT(215-0849026)
Board Design
TDP
95W
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