NVIDIA GeForce GTX 660 Rev. 2 vs AMD FirePro D300

VS

NVIDIA GeForce GTX 660 Rev. 2

AMD FirePro D300

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM FirePro D300 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 150W)

AMD FirePro D300 's Advantages

Larger VRAM bandwidth (162.6GB/s vs 144.2GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

FirePro D300 +9%

2.176 TFLOPS

GeForce GTX 660 Rev. 2

VS

FirePro D300

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

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

162.6GB/s

Render Config

-

Compute Units

20

-

960

Shading Units

1280

80

TMUs

80

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

27.20 GPixel/s

82.56 GTexel/s

Texture Rate

68.00 GTexel/s

-

1.981 TFLOPS

FP32 (float)

2.176 TFLOPS

82.56 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

140W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

4x DisplayPort 1.2

1x 6-pin

Power Connectors

-

Graphics Processor

GK104

GPU Name

Pitcairn

-

GPU Variant

Pitcairn XT GL (215-0828073)

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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