NVIDIA GeForce GTX 660 Rev. 2 vs ATI FirePro V7800

VS

NVIDIA GeForce GTX 660 Rev. 2 ATI FirePro V7800

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM FirePro V7800 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 4 years and 5 months late

Boost Clock1032MHz

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

Lower TDP (140W vs 150W)

ATI FirePro V7800 's Advantages

480 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

FirePro V7800 +1%

2.016 TFLOPS

GeForce GTX 660 Rev. 2

VS

FirePro V7800

Graphics Card

Sep 2014

Release Date

Apr 2010

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

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

Compute Units

18

960

Shading Units

1440

80

TMUs

72

24

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

22.40 GPixel/s

82.56 GTexel/s

Texture Rate

50.40 GTexel/s

-

FP16 (half)

-

1.981 TFLOPS

FP32 (float)

2.016 TFLOPS

82.56 GFLOPS

FP64 (double)

403.2 GFLOPS

Graphics Processor

GK104

GPU Name

Cypress

-

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

Board Design

140W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

1x DVI 2x DisplayPort 1.1

1x 6-pin

Power Connectors

1x 6-pin

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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