NVIDIA GeForce GTX 950 OEM vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce GTX 950 OEM

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 950 OEM and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 OEM 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 35% (1203MHz vs 888MHz)

More VRAM (4GB vs 1536GB)

NVIDIA GeForce GTX 660 OEM 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 80.19GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 950 OEM +20%

2.464 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

GeForce GTX 950 OEM

VS

GeForce GTX 660 OEM

Graphics Card

Jan 2016

Release Date

Aug 2012

GeForce 900

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

937 MHz

Base Clock

823 MHz

1203 MHz

Boost Clock

888 MHz

1253 MHz

Memory Clock

1400 MHz

Memory

4GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

80.19GB/s

Bandwidth

134.4GB/s

Render Config

-

1024

Shading Units

1152

64

TMUs

96

32

ROPs

24

-

48 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

38.50 GPixel/s

Pixel Rate

21.31 GPixel/s

76.99 GTexel/s

Texture Rate

85.25 GTexel/s

-

2.464 TFLOPS

FP32 (float)

2.046 TFLOPS

76.99 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

Unknown

TDP

130W

200 W

Suggested PSU

300 W

No outputs

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

GM206S

GPU Name

GK104

950 OEM

GPU Variant

GK104-200-KD-A2

Maxwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.94 billion

Transistors

3.54 billion

228 mm²

Die Size

294 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.2

CUDA

3.0

6.7

Shader Model

5.1

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