NVIDIA GeForce GTX 660 Ti vs ATI FirePro V7800P

VS

NVIDIA GeForce GTX 660 Ti

ATI FirePro V7800P

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 2GB VRAM FirePro V7800P 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 1 years and 3 months late

Boost Clock980MHz

Larger VRAM bandwidth (144.2GB/s vs 128.0GB/s)

ATI FirePro V7800P 's Advantages

96 additional rendering cores

Lower TDP (138W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +30%

2.634 TFLOPS

FirePro V7800P

2.016 TFLOPS

GeForce GTX 660 Ti

VS

FirePro V7800P

Graphics Card

Aug 2012

Release Date

May 2011

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

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

18

-

1344

Shading Units

1440

112

TMUs

72

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

22.40 GPixel/s

109.8 GTexel/s

Texture Rate

50.40 GTexel/s

-

2.634 TFLOPS

FP32 (float)

2.016 TFLOPS

109.8 GFLOPS

FP64 (double)

403.2 GFLOPS

Board Design

150W

TDP

138W

450 W

Suggested PSU

300 W

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

Outputs

1x DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

Cypress

GK104-300-KD-A2

GPU Variant

Cypress PRO GL

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

2.154 billion

294 mm²

Die Size

334 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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