NVIDIA GeForce GTX 660 OEM vs NVIDIA Quadro P620 Mobile
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Feb 2018
Generation
GeForce 600
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
823 MHz
1177 MHz
Boost Clock
888 MHz
1443 MHz
Memory Clock
1400 MHz
1502 MHz
Memory
Memory Size
1536MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
128bit
Bandwidth
134.4GB/s
96.13GB/s
Render Config
Shading Units
1152
512
TMUs
96
32
ROPs
24
16
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
384 KB
1024 KB
SM Count
-
4
Theoretical Performance
Pixel Rate
21.31 GPixel/s
23.09 GPixel/s
Texture Rate
85.25 GTexel/s
46.18 GTexel/s
FP32 (float)
2.046 TFLOPS
1478 GFLOPS
FP64 (double)
85.25 GFLOPS
46.18 GFLOPS
FP16 (half)
-
23.09 GFLOPS
Graphics Processor
GPU Name
GK104
GP107
GPU Variant
GK104-200-KD-A2
-
Architecture
Kepler
Pascal
Foundry
TSMC
Samsung
Process Size
28 nm
14 nm
Transistors
3.54 billion
3.3 billion
Die Size
294 mm²
132 mm²
Board Design
TDP
130W
40W
Suggested PSU
300 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
6.1
Shader Model
5.1
6.4
📊 Benchmark
3DMark Time Spy
1,194
-
3DMark Time Spy Extreme
260
-