NVIDIA GeForce GTX 580 Rev. 2 vs NVIDIA GeForce GT 420 OEM

VS

NVIDIA GeForce GTX 580 Rev. 2

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 580 Rev. 2 and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580 Rev. 2 's Advantages

Released 9 months late

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (192.4GB/s vs 28.80GB/s)

464 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 244W)

Score

Benchmark

FP32 (float)

GeForce GTX 580 Rev. 2 +1079%

1.581 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

GeForce GTX 580 Rev. 2

VS

GeForce GT 420 OEM

Graphics Card

Jun 2011

Release Date

Sep 2010

GeForce 500

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

900 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

192.4GB/s

Bandwidth

28.80GB/s

Render Config

-

16

SM Count

1

512

Shading Units

48

64

TMUs

4

48

ROPs

4

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

24.70 GPixel/s

Pixel Rate

1.400 GPixel/s

49.41 GTexel/s

Texture Rate

2.800 GTexel/s

-

1.581 TFLOPS

FP32 (float)

134.4 GFLOPS

197.6 GFLOPS

FP64 (double)

11.20 GFLOPS

Board Design

244W

TDP

50W

550 W

Suggested PSU

250 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

GF108

GF110-380-A1

GPU Variant

GF108-200-A1

Fermi 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3 billion

Transistors

0.585 billion

520 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.0

CUDA

2.1

5.1

Shader Model

5.1

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