NVIDIA GeForce GT 340 OEM vs ATI Radeon HD 4580

VS

NVIDIA GeForce GT 340 OEM

ATI Radeon HD 4580

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 340 OEM and 512MB VRAM Radeon HD 4580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 340 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (27.20GB/s vs 22.18GB/s)

ATI Radeon HD 4580 's Advantages

Released 1 years and 9 months late

24 additional rendering cores

Lower TDP (65W vs 69W)

Score

Benchmark

FP32 (float)

GeForce GT 340 OEM +34%

0.257 TFLOPS

Radeon HD 4580

0.191 TFLOPS

GeForce GT 340 OEM

VS

Radeon HD 4580

Graphics Card

Feb 2010

Release Date

Nov 2011

GeForce 300

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

693 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

27.20GB/s

Bandwidth

22.18GB/s

Render Config

-

Compute Units

3

12

SM Count

-

96

Shading Units

120

32

TMUs

8

ROPs

4

-

64 KB

L2 Cache

128 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

3.184 GPixel/s

17.60 GTexel/s

Texture Rate

6.368 GTexel/s

-

257.3 GFLOPS

FP32 (float)

191.0 GFLOPS

-

Board Design

69W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

GT215

GPU Name

RV635

GT215-301-A3

GPU Variant

RV635 PRO (215-0682008)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.727 billion

Transistors

0.378 billion

144 mm²

Die Size

135 mm²

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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