NVIDIA GeForce GTX 660 Ti vs NVIDIA GeForce GTX 950

VS

NVIDIA GeForce GTX 660 Ti

NVIDIA GeForce GTX 950

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

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Larger VRAM bandwidth (144.2GB/s vs 105.8GB/s)

576 additional rendering cores

NVIDIA GeForce GTX 950 's Advantages

Released 3 years late

Boost Clock has increased by 21% (1188MHz vs 980MHz)

Lower TDP (90W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +44%

2.634 TFLOPS

GeForce GTX 950

1.825 TFLOPS

3DMark Time Spy

GeForce GTX 660 Ti

1627

GeForce GTX 950 +14%

1862

GeForce GTX 660 Ti

VS

GeForce GTX 950

Graphics Card

Aug 2012

Release Date

Aug 2015

GeForce 600

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

915 MHz

Base Clock

1024 MHz

980 MHz

Boost Clock

1188 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

-

1344

Shading Units

768

112

TMUs

48

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

38.02 GPixel/s

109.8 GTexel/s

Texture Rate

57.02 GTexel/s

-

2.634 TFLOPS

FP32 (float)

1.825 TFLOPS

109.8 GFLOPS

FP64 (double)

57.02 GFLOPS

Board Design

150W

TDP

90W

450 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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

GM206

GK104-300-KD-A2

GPU Variant

GM206-250-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

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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