NVIDIA GeForce GTX 660 Rev. 2 vs ATI Radeon HD 2400 XT

VS

NVIDIA GeForce GTX 660 Rev. 2

ATI Radeon HD 2400 XT

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 256MB VRAM ATI Radeon HD 2400 XT 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 7 years and 3 months late

Boost Clock1032MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (144.2GB/s vs 8.000GB/s)

920 additional rendering cores

ATI Radeon HD 2400 XT 's Advantages

Lower TDP (25W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2 +3709%

1.981 TFLOPS

ATI Radeon HD 2400 XT

0.052 TFLOPS

GeForce GTX 660 Rev. 2

VS

ATI Radeon HD 2400 XT

Graphics Card

Sep 2014

Release Date

Jun 2007

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

-

960

Shading Units

40

80

TMUs

4

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

32 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.600 GPixel/s

82.56 GTexel/s

Texture Rate

2.600 GTexel/s

-

1.981 TFLOPS

FP32 (float)

52.00 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

25W

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

None

Graphics Processor

GK104

GPU Name

RV610

-

GPU Variant

RV610 PRO (215LKCAKA14FG)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

3.54 billion

Transistors

0.18 billion

294 mm²

Die Size

85 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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