NVIDIA GeForce GTX 260 OEM vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce GTX 260 OEM

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 1792MB VRAM GeForce GTX 260 OEM and 2GB VRAM GeForce GTX 660 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 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 260 OEM

0.415 TFLOPS

GeForce GTX 660 +377%

1.981 TFLOPS

GeForce GTX 260 OEM

VS

GeForce GTX 660

Graphics Card

Dec 2009

Release Date

Sep 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1008 MHz

Memory Clock

1502 MHz

Memory

1792MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

192bit

112.9GB/s

Bandwidth

144.2GB/s

Render Config

-

24

SM Count

-

192

Shading Units

960

64

TMUs

80

28

ROPs

24

-

L1 Cache

16 KB (per SMX)

224 KB

L2 Cache

384 KB

-

Theoretical Performance

14.50 GPixel/s

Pixel Rate

20.64 GPixel/s

33.15 GTexel/s

Texture Rate

82.56 GTexel/s

-

414.7 GFLOPS

FP32 (float)

1.981 TFLOPS

51.84 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

182W

TDP

140W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GT200B

GPU Name

GK106

G200-103-B2

GPU Variant

GK106-400-A1

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

2.54 billion

470 mm²

Die Size

221 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.3

CUDA

3.0

4.0

Shader Model

5.1

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