NVIDIA GeForce 8800 Ultra vs NVIDIA GeForce GTX 660 OEM

VS

NVIDIA GeForce 8800 Ultra

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 5 years and 3 months late

Boost Clock888MHz

More VRAM (1536GB vs 768GB)

Larger VRAM bandwidth (134.4GB/s vs 103.7GB/s)

1024 additional rendering cores

Lower TDP (130W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

GeForce GTX 660 OEM +428%

2.046 TFLOPS

GeForce 8800 Ultra

VS

GeForce GTX 660 OEM

Graphics Card

May 2007

Release Date

Aug 2012

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

1080 MHz

Memory Clock

1400 MHz

Memory

768MB

Memory Size

1536MB

GDDR3

Memory Type

GDDR5

384bit

Memory Bus

192bit

103.7GB/s

Bandwidth

134.4GB/s

Render Config

-

16

SM Count

-

128

Shading Units

1152

32

TMUs

96

24

ROPs

24

-

L1 Cache

16 KB (per SMX)

96 KB

L2 Cache

384 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

21.31 GPixel/s

39.17 GTexel/s

Texture Rate

85.25 GTexel/s

-

387.1 GFLOPS

FP32 (float)

2.046 TFLOPS

-

FP64 (double)

85.25 GFLOPS

Board Design

171W

TDP

130W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

GK104

G80-450-A3

GPU Variant

GK104-200-KD-A2

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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