NVIDIA GeForce GTX 580 vs AMD Radeon HD 6450 OEM

VS

NVIDIA GeForce GTX 580

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 580 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (192.4GB/s vs 8.528GB/s)

352 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 244W)

Score

Benchmark

FP32 (float)

GeForce GTX 580 +690%

1.581 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

GeForce GTX 580

VS

Radeon HD 6450 OEM

Graphics Card

Nov 2010

Release Date

Feb 2011

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

533 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

64bit

192.4GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

16

SM Count

-

512

Shading Units

160

64

TMUs

8

48

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

24.70 GPixel/s

Pixel Rate

2.500 GPixel/s

49.41 GTexel/s

Texture Rate

5.000 GTexel/s

-

1.581 TFLOPS

FP32 (float)

200.0 GFLOPS

197.6 GFLOPS

FP64 (double)

-

Board Design

244W

TDP

18W

550 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GF110

GPU Name

Caicos

GF110-375-A1

GPU Variant

Junbonator

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3 billion

Transistors

0.37 billion

520 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

5.0

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