NVIDIA GeForce GTS 450 vs ATI Radeon HD 4580

VS

NVIDIA GeForce GTS 450

ATI Radeon HD 4580

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 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 GTS 450 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (57.73GB/s vs 22.18GB/s)

72 additional rendering cores

ATI Radeon HD 4580 's Advantages

Released 1 years and 2 months late

Lower TDP (65W vs 106W)

Score

Benchmark

FP32 (float)

GeForce GTS 450 +214%

0.601 TFLOPS

Radeon HD 4580

0.191 TFLOPS

GeForce GTS 450

VS

Radeon HD 4580

Graphics Card

Sep 2010

Release Date

Nov 2011

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

902 MHz

Memory Clock

693 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

57.73GB/s

Bandwidth

22.18GB/s

Render Config

-

Compute Units

3

4

SM Count

-

192

Shading Units

120

32

TMUs

8

16

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.264 GPixel/s

Pixel Rate

3.184 GPixel/s

25.06 GTexel/s

Texture Rate

6.368 GTexel/s

-

601.3 GFLOPS

FP32 (float)

191.0 GFLOPS

50.11 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

65W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

GF106

GPU Name

RV635

GF106-250-KA-A1

GPU Variant

RV635 PRO (215-0682008)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.378 billion

238 mm²

Die Size

135 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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