NVIDIA GeForce GTX 660 vs ATI FireMV 2260

VS

NVIDIA GeForce GTX 660

ATI FireMV 2260

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 256MB VRAM FireMV 2260 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 8 months late

Boost Clock1032MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (144.2GB/s vs 8.000GB/s)

920 additional rendering cores

ATI FireMV 2260 's Advantages

Lower TDP (15W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +4852%

1.981 TFLOPS

FireMV 2260

0.04 TFLOPS

GeForce GTX 660

VS

FireMV 2260

Graphics Card

Sep 2012

Release Date

Jan 2008

GeForce 600

Generation

FireMV Multi-View

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

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

-

960

Shading Units

40

80

TMUs

4

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.000 GPixel/s

82.56 GTexel/s

Texture Rate

2.000 GTexel/s

-

1.981 TFLOPS

FP32 (float)

40.00 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

15W

300 W

Suggested PSU

200 W

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

Outputs

4x mini-DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

GK106

GPU Name

RV620

GK106-400-A1

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

0.181 billion

221 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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