NVIDIA GeForce GTX 660 Ti vs ATI Radeon HD 2400 PRO

VS

NVIDIA GeForce GTX 660 Ti

ATI Radeon HD 2400 PRO

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 256MB VRAM ATI Radeon HD 2400 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Released 5 years and 2 months late

Boost Clock980MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (144.2GB/s vs 6.400GB/s)

1304 additional rendering cores

ATI Radeon HD 2400 PRO 's Advantages

Lower TDP (20W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +6171%

2.634 TFLOPS

ATI Radeon HD 2400 PRO

0.042 TFLOPS

GeForce GTX 660 Ti

VS

ATI Radeon HD 2400 PRO

Graphics Card

Aug 2012

Release Date

Jun 2007

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

2

-

1344

Shading Units

40

112

TMUs

4

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

32 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

2.100 GPixel/s

109.8 GTexel/s

Texture Rate

2.100 GTexel/s

-

2.634 TFLOPS

FP32 (float)

42.00 GFLOPS

109.8 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

20W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

RV610

GK104-300-KD-A2

GPU Variant

RV610 LE (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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