ATI FirePro V7900 vs NVIDIA Quadro P620 Mobile
GPU · Specs Compare
Graphics Card
Release Date
May 2011
Feb 2018
Generation
FirePro
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1502 MHz
Base Clock
—
1177 MHz
Boost Clock
—
1443 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
96.13GB/s
Render Config
Compute Units
20
—
Shading Units
1280
512
TMUs
80
32
ROPs
32
16
L1 Cache
8 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
1024 KB
SM Count
—
4
Theoretical Performance
Pixel Rate
23.20 GPixel/s
23.09 GPixel/s
Texture Rate
58.00 GTexel/s
46.18 GTexel/s
FP32 (float)
1.856 TFLOPS
1478 GFLOPS
FP64 (double)
464.0 GFLOPS
46.18 GFLOPS
FP16 (half)
—
23.09 GFLOPS
Graphics Processor
GPU Name
Cayman
GP107
GPU Variant
Cayman PRO GL
—
Architecture
TeraScale 3
Pascal
Foundry
TSMC
Samsung
Process Size
40 nm
14 nm
Transistors
2.64 billion
3.3 billion
Die Size
389 mm²
132 mm²
Board Design
TDP
150W
40W
Suggested PSU
450 W
—
Outputs
4x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.4
CUDA
—
6.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.