AMD Radeon HD 7970 X2 vs NVIDIA Quadro P620 Mobile
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Feb 2018
Generation
Southern Islands
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1502 MHz
Base Clock
-
1177 MHz
Boost Clock
-
1443 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
264.0GB/s
96.13GB/s
Render Config
Compute Units
32
-
Shading Units
2048
512
TMUs
128
32
ROPs
32
16
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
768 KB
1024 KB
SM Count
-
4
Theoretical Performance
Pixel Rate
29.60 GPixel/s
23.09 GPixel/s
Texture Rate
118.4 GTexel/s
46.18 GTexel/s
FP32 (float)
3.789 TFLOPS
1478 GFLOPS
FP64 (double)
947.2 GFLOPS
46.18 GFLOPS
FP16 (half)
-
23.09 GFLOPS
Graphics Processor
GPU Name
New Zealand
GP107
Architecture
GCN 1.0
Pascal
Foundry
TSMC
Samsung
Process Size
28 nm
14 nm
Transistors
4.313 billion
3.3 billion
Die Size
352 mm²
132 mm²
Board Design
TDP
500W
40W
Suggested PSU
900 W
-
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
3x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.4
CUDA
-
6.1