NVIDIA GeForce GTX 660 Rev. 2 vs ATI FirePro V7900 SDI

VS

NVIDIA GeForce GTX 660 Rev. 2

ATI FirePro V7900 SDI

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM FirePro V7900 SDI 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 3 years and 4 months late

Boost Clock1032MHz

Lower TDP (140W vs 150W)

ATI FirePro V7900 SDI 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 144.2GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +6%

1.981 TFLOPS

FirePro V7900 SDI

1.856 TFLOPS

GeForce GTX 660 Rev. 2

VS

FirePro V7900 SDI

Graphics Card

Sep 2014

Release Date

May 2011

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

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

20

-

960

Shading Units

1280

80

TMUs

80

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

23.20 GPixel/s

82.56 GTexel/s

Texture Rate

58.00 GTexel/s

-

1.981 TFLOPS

FP32 (float)

1.856 TFLOPS

82.56 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

140W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

4x SDI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

Cayman

-

GPU Variant

Cayman PRO GL

Kepler

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

2.64 billion

294 mm²

Die Size

389 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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