NVIDIA GeForce 8800 GTS 320 vs NVIDIA GeForce GTX 660 Rev. 2

VS

NVIDIA GeForce 8800 GTS 320

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 2GB VRAM GeForce GTX 660 Rev. 2 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 7 years and 7 months late

Boost Clock1032MHz

More VRAM (2GB vs 320GB)

Larger VRAM bandwidth (144.2GB/s vs 63.36GB/s)

864 additional rendering cores

Lower TDP (140W vs 143W)

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

GeForce GTX 660 Rev. 2 +768%

1.981 TFLOPS

GeForce 8800 GTS 320

VS

GeForce GTX 660 Rev. 2

Graphics Card

Feb 2007

Release Date

Sep 2014

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

792 MHz

Memory Clock

1502 MHz

Memory

320MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

320bit

Memory Bus

192bit

63.36GB/s

Bandwidth

144.2GB/s

Render Config

-

12

SM Count

-

96

Shading Units

960

24

TMUs

80

20

ROPs

24

-

L1 Cache

16 KB (per SMX)

80 KB

L2 Cache

384 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

20.64 GPixel/s

24.62 GTexel/s

Texture Rate

82.56 GTexel/s

-

228.1 GFLOPS

FP32 (float)

1.981 TFLOPS

-

FP64 (double)

82.56 GFLOPS

Board Design

143W

TDP

140W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

GK104

G80-100-K0-A2

GPU Variant

-

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

3.54 billion

484 mm²

Die Size

294 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

3.0

N/A

Vulkan

1.1

1.0

CUDA

3.0

4.0

Shader Model

5.1

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