NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce 8800 Ultra

VS

NVIDIA GeForce GTX 660 OEM NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 768MB VRAM GeForce 8800 Ultra 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 GTX 660 OEM +428%

2.046 TFLOPS

GeForce 8800 Ultra

0.387 TFLOPS

GeForce GTX 660 OEM

VS

GeForce 8800 Ultra

Graphics Card

Aug 2012

Release Date

May 2007

GeForce 600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

1080 MHz

Memory

1536MB

Memory Size

768MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

384bit

134.4GB/s

Bandwidth

103.7GB/s

Render Config

-

SM Count

16

-

Compute Units

-

1152

Shading Units

128

96

TMUs

32

24

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

96 KB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

14.69 GPixel/s

85.25 GTexel/s

Texture Rate

39.17 GTexel/s

-

FP16 (half)

-

2.046 TFLOPS

FP32 (float)

387.1 GFLOPS

85.25 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

G80

GK104-200-KD-A2

GPU Variant

G80-450-A3

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

3.54 billion

Transistors

0.681 billion

294 mm²

Die Size

484 mm²

Board Design

130W

TDP

171W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1 (1.0)

1.1

Vulkan

N/A

3.0

CUDA

1.0

5.1

Shader Model

4.0

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