NVIDIA GeForce GTX 660 Ti vs ATI FirePro V8700

VS

NVIDIA GeForce GTX 660 Ti

ATI FirePro V8700

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM FirePro V8700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Released 3 years and 11 months late

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

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

544 additional rendering cores

Lower TDP (150W vs 151W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +119%

2.634 TFLOPS

FirePro V8700

1.2 TFLOPS

GeForce GTX 660 Ti

VS

FirePro V8700

Graphics Card

Aug 2012

Release Date

Sep 2008

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 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

-

1344

Shading Units

800

112

TMUs

40

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

12.00 GPixel/s

109.8 GTexel/s

Texture Rate

30.00 GTexel/s

-

2.634 TFLOPS

FP32 (float)

1200 GFLOPS

109.8 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

150W

TDP

151W

450 W

Suggested PSU

450 W

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

Outputs

1x DVI 2x DisplayPort 1.0 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

RV770

GK104-300-KD-A2

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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