NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce G100 OEM

VS

NVIDIA GeForce GTX 660 Rev. 2

NVIDIA GeForce G100 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 256MB VRAM GeForce G100 OEM 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 5 years and 6 months late

Boost Clock1032MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (144.2GB/s vs 6.400GB/s)

952 additional rendering cores

NVIDIA GeForce G100 OEM 's Advantages

Lower TDP (35W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +9333%

1.981 TFLOPS

GeForce G100 OEM

0.021 TFLOPS

GeForce GTX 660 Rev. 2

VS

GeForce G100 OEM

Graphics Card

Sep 2014

Release Date

Mar 2009

GeForce 600

Generation

GeForce 100

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

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

1

960

Shading Units

8

80

TMUs

4

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

16 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.160 GPixel/s

82.56 GTexel/s

Texture Rate

2.160 GTexel/s

-

1.981 TFLOPS

FP32 (float)

20.80 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

35W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

G98

-

GPU Variant

G98-309-U2

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

3.54 billion

Transistors

0.21 billion

294 mm²

Die Size

86 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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