NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 260 Rev. 2

VS

NVIDIA GeForce GTX 660 NVIDIA GeForce GTX 260 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 896MB VRAM GeForce GTX 260 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 4 years and 2 months late

Boost Clock1032MHz

Larger VRAM bandwidth (144.2GB/s vs 111.9GB/s)

768 additional rendering cores

Lower TDP (140W vs 182W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +315%

1.981 TFLOPS

GeForce GTX 260 Rev. 2

0.477 TFLOPS

GeForce GTX 660

VS

GeForce GTX 260 Rev. 2

Graphics Card

Sep 2012

Release Date

Jul 2008

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

999 MHz

Memory

2GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

448bit

144.2GB/s

Bandwidth

111.9GB/s

Render Config

-

SM Count

24

-

Compute Units

-

960

Shading Units

192

80

TMUs

64

24

ROPs

28

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

224 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

16.13 GPixel/s

82.56 GTexel/s

Texture Rate

36.86 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

476.9 GFLOPS

82.56 GFLOPS

FP64 (double)

59.62 GFLOPS

Graphics Processor

GK106

GPU Name

GT200B

GK106-400-A1

GPU Variant

G200-103-B3

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

1.4 billion

221 mm²

Die Size

470 mm²

Board Design

140W

TDP

182W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

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

1.3

5.1

Shader Model

4.0

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