NVIDIA GeForce 8800 GTS 320 vs NVIDIA GeForce GTX 660

VS

NVIDIA GeForce 8800 GTS 320

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 2GB VRAM GeForce GTX 660 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 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 +768%

1.981 TFLOPS

GeForce 8800 GTS 320

VS

GeForce GTX 660

Graphics Card

Feb 2007

Release Date

Sep 2012

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

GK106

G80-100-K0-A2

GPU Variant

GK106-400-A1

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

2.54 billion

484 mm²

Die Size

221 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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