ATI Radeon X1650 GTO vs NVIDIA GeForce GTX 660 Rev. 2

VS

ATI Radeon X1650 GTO

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1650 GTO 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 6 years and 9 months late

Boost Clock1032MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (144.2GB/s vs 12.54GB/s)

960 additional rendering cores

Score

Radeon X1650 GTO

VS

GeForce GTX 660 Rev. 2

Graphics Card

Dec 2007

Release Date

Sep 2014

Radeon R500 PCIe

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

392 MHz

Memory Clock

1502 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

192bit

12.54GB/s

Bandwidth

144.2GB/s

Render Config

-

Shading Units

960

4

TMUs

80

4

ROPs

24

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

384 KB

-

Theoretical Performance

2.348 GPixel/s

Pixel Rate

20.64 GPixel/s

2.348 GTexel/s

Texture Rate

82.56 GTexel/s

-

FP32 (float)

1.981 TFLOPS

-

FP64 (double)

82.56 GFLOPS

Board Design

Unknown

TDP

140W

200 W

Suggested PSU

300 W

1x HDMI 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

RV530

GPU Name

GK104

RV530 LE

GPU Variant

-

Ultra-Threaded SE

Architecture

Kepler

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

3.54 billion

150 mm²

Die Size

294 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

Shader Model

5.1

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