NVIDIA GeForce GTX 660 Rev. 2 vs AMD FirePro D500

VS

NVIDIA GeForce GTX 660 Rev. 2

AMD FirePro D500

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 3GB VRAM FirePro D500 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 8 months late

Boost Clock1032MHz

Lower TDP (140W vs 274W)

AMD FirePro D500 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (243.8GB/s vs 144.2GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

FirePro D500 +12%

2.227 TFLOPS

GeForce GTX 660 Rev. 2

VS

FirePro D500

Graphics Card

Sep 2014

Release Date

Jan 2014

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

1270 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

144.2GB/s

Bandwidth

243.8GB/s

Render Config

-

Compute Units

24

-

960

Shading Units

1536

80

TMUs

96

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

768 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

23.20 GPixel/s

82.56 GTexel/s

Texture Rate

69.60 GTexel/s

-

1.981 TFLOPS

FP32 (float)

2.227 TFLOPS

82.56 GFLOPS

FP64 (double)

556.8 GFLOPS

Board Design

140W

TDP

274W

300 W

Suggested PSU

600 W

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

Outputs

6x mini-DisplayPort 1.2 1x SDI

1x 6-pin

Power Connectors

-

Graphics Processor

GK104

GPU Name

Tahiti

-

GPU Variant

Tahiti LE GL

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

4.313 billion

294 mm²

Die Size

352 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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