NVIDIA GeForce GTX 660 vs ATI Radeon X1600 PRO AGP

VS

NVIDIA GeForce GTX 660

ATI Radeon X1600 PRO AGP

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 256MB VRAM Radeon X1600 PRO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 4 years and 11 months late

Boost Clock1032MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (144.2GB/s vs 12.48GB/s)

960 additional rendering cores

ATI Radeon X1600 PRO AGP 's Advantages

Lower TDP (41W vs 140W)

Score

GeForce GTX 660

VS

Radeon X1600 PRO AGP

Graphics Card

Sep 2012

Release Date

Oct 2007

GeForce 600

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

390 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

12.48GB/s

Render Config

-

960

Shading Units

-

80

TMUs

4

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.000 GPixel/s

82.56 GTexel/s

Texture Rate

2.000 GTexel/s

-

1.981 TFLOPS

FP32 (float)

-

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

41W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

Floppy

Graphics Processor

GK106

GPU Name

RV530

GK106-400-A1

GPU Variant

RV530 PRO (215CADAKA24FG)

Kepler

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

2.54 billion

Transistors

0.157 billion

221 mm²

Die Size

150 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

3.0

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