NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTS 250

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce GTS 250

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 1024MB VRAM GeForce GTS 250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 3 years and 6 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 64.00GB/s)

832 additional rendering cores

Lower TDP (140W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +411%

1.981 TFLOPS

GeForce GTS 250

0.387 TFLOPS

GeForce GTX 660

VS

GeForce GTS 250

Graphics Card

Sep 2012

Release Date

Mar 2009

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

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

16

960

Shading Units

128

80

TMUs

64

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

64 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

11.23 GPixel/s

82.56 GTexel/s

Texture Rate

44.93 GTexel/s

-

1.981 TFLOPS

FP32 (float)

387.1 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

G92B

GK106-400-A1

GPU Variant

G92-428-B1

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

0.754 billion

221 mm²

Die Size

260 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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