NVIDIA GeForce GTX 660 vs NVIDIA GeForce 8600 GT

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce 8600 GT

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 512MB VRAM GeForce 8600 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 5 years and 5 months late

Boost Clock1032MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (144.2GB/s vs 22.40GB/s)

928 additional rendering cores

NVIDIA GeForce 8600 GT 's Advantages

Lower TDP (47W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +2506%

1.981 TFLOPS

GeForce 8600 GT

0.076 TFLOPS

GeForce GTX 660

VS

GeForce 8600 GT

Graphics Card

Sep 2012

Release Date

Apr 2007

GeForce 600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

4

960

Shading Units

32

80

TMUs

16

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

32 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

4.320 GPixel/s

82.56 GTexel/s

Texture Rate

8.640 GTexel/s

-

1.981 TFLOPS

FP32 (float)

76.16 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

47W

300 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

GK106

GPU Name

G84

GK106-400-A1

GPU Variant

G84-303-A2

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.54 billion

Transistors

0.289 billion

221 mm²

Die Size

169 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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