NVIDIA RTX A4000 Max-Q vs AMD Radeon HD 7970 GHz Edition
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Jun 2012
Generation
Ampere-MW
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
780 MHz
1000 MHz
Boost Clock
1395 MHz
1050 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
33.60 GPixel/s
Texture Rate
223.2 GTexel/s
134.4 GTexel/s
FP16 (half)
14.28 TFLOPS
—
FP32 (float)
14.28 TFLOPS
4.301 TFLOPS
FP64 (double)
223.2 GFLOPS
1075 GFLOPS
Graphics Processor
GPU Name
GA104
Tahiti
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
352 mm²
GPU Variant
—
Tahiti XT2(215-0821065)
Board Design
TDP
80W
300W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
700 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.