NVIDIA GeForce GTX 660 Rev. 2 vs ATI FirePro V8700 Duo

VS

NVIDIA GeForce GTX 660 Rev. 2

ATI FirePro V8700 Duo

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 1024MB VRAM FirePro V8700 Duo 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

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 108.8GB/s)

160 additional rendering cores

Lower TDP (140W vs 151W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +65%

1.981 TFLOPS

FirePro V8700 Duo

1.2 TFLOPS

GeForce GTX 660 Rev. 2

VS

FirePro V8700 Duo

Graphics Card

Sep 2014

Release Date

Unknown

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

850 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

108.8GB/s

Render Config

-

Compute Units

10

-

960

Shading Units

800

80

TMUs

40

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

12.00 GPixel/s

82.56 GTexel/s

Texture Rate

30.00 GTexel/s

-

1.981 TFLOPS

FP32 (float)

1200 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

151W

300 W

Suggested PSU

450 W

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

Outputs

No outputs

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

RV770

-

GPU Variant

RV770 XT (215-0669049)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.956 billion

294 mm²

Die Size

256 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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