NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA Tesla P40

GPU · Specs Compare

Products
GPU NVIDIA GeForce GTX 660 Rev. 2 NVIDIA · 2014-09
GPU NVIDIA Tesla P40 NVIDIA · 2016-09
Graphics Card
Release Date
Sep 2014
Sep 2016
Generation
GeForce 600
Tesla Pascal
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
980 MHz
1303 MHz
Boost Clock
1032 MHz
1531 MHz
Memory Clock
1502 MHz
1808 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
384bit
Bandwidth
144.2GB/s
347.1GB/s
Render Config
Shading Units
960
3840
TMUs
80
240
ROPs
24
96
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
384 KB
3 MB
SM Count
—
30
Theoretical Performance
Pixel Rate
20.64 GPixel/s
147.0 GPixel/s
Texture Rate
82.56 GTexel/s
367.4 GTexel/s
FP32 (float)
1.981 TFLOPS
11.76 TFLOPS
FP64 (double)
82.56 GFLOPS
367.4 GFLOPS
FP16 (half)
—
183.7 GFLOPS
Graphics Processor
GPU Name
GK104
GP102
Architecture
Kepler
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
3.54 billion
11.8 billion
Die Size
294 mm²
471 mm²
Board Design
TDP
140W
250W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
8-pin EPS
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
6.7
▲ Specs Compare Data sourced from official specifications and benchmark tests.