NVIDIA GeForce GTX 660 vs ATI FirePro V7750

VS

NVIDIA GeForce GTX 660

ATI FirePro V7750

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 1024MB VRAM FirePro V7750 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 28.80GB/s)

640 additional rendering cores

ATI FirePro V7750 's Advantages

Lower TDP (76W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +286%

1.981 TFLOPS

FirePro V7750

0.512 TFLOPS

GeForce GTX 660

VS

FirePro V7750

Graphics Card

Sep 2012

Release Date

Mar 2009

GeForce 600

Generation

FirePro

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

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

28.80GB/s

Render Config

-

Compute Units

4

-

960

Shading Units

320

80

TMUs

32

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

6.400 GPixel/s

82.56 GTexel/s

Texture Rate

25.60 GTexel/s

-

1.981 TFLOPS

FP32 (float)

512.0 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

76W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 2x DisplayPort 1.0

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

RV730

GK106-400-A1

GPU Variant

RV730 GL XTX

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

0.514 billion

221 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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