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

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce GTX 260 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 1792MB VRAM GeForce GTX 260 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 4 years and 9 months late

Boost Clock1032MHz

More VRAM (2GB vs 1792GB)

Larger VRAM bandwidth (144.2GB/s vs 112.9GB/s)

768 additional rendering cores

Lower TDP (140W vs 182W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +377%

1.981 TFLOPS

GeForce GTX 260 OEM

0.415 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce GTX 260 OEM

Graphics Card

Sep 2014

Release Date

Dec 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

1008 MHz

Memory

2GB

Memory Size

1792MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

448bit

144.2GB/s

Bandwidth

112.9GB/s

Render Config

-

SM Count

24

960

Shading Units

192

80

TMUs

64

24

ROPs

28

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

224 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

14.50 GPixel/s

82.56 GTexel/s

Texture Rate

33.15 GTexel/s

-

1.981 TFLOPS

FP32 (float)

414.7 GFLOPS

82.56 GFLOPS

FP64 (double)

51.84 GFLOPS

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 Processor

GK104

GPU Name

GT200B

-

GPU Variant

G200-103-B2

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

1.4 billion

294 mm²

Die Size

470 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

1.3

5.1

Shader Model

4.0

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