NVIDIA GeForce GTX 660 vs NVIDIA GeForce GT 220

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce GT 220

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 1024MB VRAM GeForce GT 220 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 2 years and 8 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 22.40GB/s)

912 additional rendering cores

NVIDIA GeForce GT 220 's Advantages

Lower TDP (58W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +1275%

1.981 TFLOPS

GeForce GT 220

0.144 TFLOPS

GeForce GTX 660

VS

GeForce GT 220

Graphics Card

Sep 2012

Release Date

Jan 2010

GeForce 600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

6

960

Shading Units

48

80

TMUs

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

64 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

4.800 GPixel/s

82.56 GTexel/s

Texture Rate

14.40 GTexel/s

-

1.981 TFLOPS

FP32 (float)

144.0 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

58W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

GK106

GPU Name

G94

GK106-400-A1

GPU Variant

-

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.54 billion

Transistors

0.505 billion

221 mm²

Die Size

240 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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