Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 950 Low Power

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 950 Low Power

NVIDIA GeForce GTX 660 Rev. 2
VS
NVIDIA GeForce GTX 950 Low Power
NVIDIA GeForce GTX 660 Rev. 2 NVIDIA GeForce GTX 950 Low Power
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM GeForce GTX 950 Low Power to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Larger VRAM bandwidth (144.2GB/s vs 105.8GB/s)
192 additional rendering cores
NVIDIA GeForce GTX 950 Low Power 's Advantages
Released 1 years and 6 months late
Boost Clock has increased by 15% (1190MHz vs 1032MHz)
Lower TDP (75W vs 140W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2 +8%
1.981 TFLOPS
GeForce GTX 950 Low Power
1.828 TFLOPS
GeForce GTX 660 Rev. 2
VS
GeForce GTX 950 Low Power

Graphics Card

Sep 2014
Release Date
Mar 2016
GeForce 600
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

980 MHz
Base Clock
1026 MHz
1032 MHz
Boost Clock
1190 MHz
1502 MHz
Memory Clock
1653 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
105.8GB/s

Render Config

-
SM Count
-
-
Compute Units
-
960
Shading Units
768
80
TMUs
48
24
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
48 KB (per SMM)
384 KB
L2 Cache
1024 KB

Theoretical Performance

20.64 GPixel/s
Pixel Rate
38.08 GPixel/s
82.56 GTexel/s
Texture Rate
57.12 GTexel/s
-
FP16 (half)
-
1.981 TFLOPS
FP32 (float)
1.828 TFLOPS
82.56 GFLOPS
FP64 (double)
57.12 GFLOPS

Graphics Processor

GK104
GPU Name
GM206
-
GPU Variant
GM206-251-A1
Kepler
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
2.94 billion
294 mm²
Die Size
228 mm²

Board Design

140W
TDP
75W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
1x 6-pin
Power Connectors
None

Graphics Features

12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
5.2
5.1
Shader Model
6.4

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