NVIDIA GeForce GTX 680 vs ATI Radeon HD 2400

VS

NVIDIA GeForce GTX 680

ATI Radeon HD 2400

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 256MB VRAM ATI Radeon HD 2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Released 4 years and 1 months late

Boost Clock1058MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (192.3GB/s vs 7.920GB/s)

1496 additional rendering cores

ATI Radeon HD 2400 's Advantages

Lower TDP (20W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +10056%

3.25 TFLOPS

ATI Radeon HD 2400

0.032 TFLOPS

GeForce GTX 680

VS

ATI Radeon HD 2400

Graphics Card

Mar 2012

Release Date

Feb 2008

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

495 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

192.3GB/s

Bandwidth

7.920GB/s

Render Config

-

Compute Units

2

-

1536

Shading Units

40

128

TMUs

4

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

1.592 GPixel/s

135.4 GTexel/s

Texture Rate

1.592 GTexel/s

-

3.250 TFLOPS

FP32 (float)

31.84 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Board Design

195W

TDP

20W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

RV610

GK104-400-A2

GPU Variant

-

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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