NVIDIA GeForce GTX 660 Rev. 2 vs AMD FirePro W4000

VS

NVIDIA GeForce GTX 660 Rev. 2

AMD FirePro W4000

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM FirePro W4000 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 2 years and 1 months late

Boost Clock1032MHz

Larger VRAM bandwidth (144.2GB/s vs 102.4GB/s)

192 additional rendering cores

AMD FirePro W4000 's Advantages

Lower TDP (75W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +56%

1.981 TFLOPS

FirePro W4000

1.267 TFLOPS

GeForce GTX 660 Rev. 2

VS

FirePro W4000

Graphics Card

Sep 2014

Release Date

Aug 2012

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

102.4GB/s

Render Config

-

Compute Units

12

-

960

Shading Units

768

80

TMUs

48

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

26.40 GPixel/s

82.56 GTexel/s

Texture Rate

39.60 GTexel/s

-

1.981 TFLOPS

FP32 (float)

1267 GFLOPS

82.56 GFLOPS

FP64 (double)

79.20 GFLOPS

Board Design

140W

TDP

75W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 2x DisplayPort 1.2

1x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Pitcairn

-

GPU Variant

Pitcairn LE GL

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.8 billion

294 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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