NVIDIA GeForce GT 545 vs NVIDIA GeForce GT 420 OEM

VS

NVIDIA GeForce GT 545

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 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 GT 545 's Advantages

Released 8 months late

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (38.40GB/s vs 28.80GB/s)

96 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 70W)

Score

Benchmark

FP32 (float)

GeForce GT 545 +209%

0.415 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

GeForce GT 545

VS

GeForce GT 420 OEM

Graphics Card

May 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

-

800 MHz

Memory Clock

900 MHz

Memory

1536MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

28.80GB/s

Render Config

-

3

SM Count

1

144

Shading Units

48

24

TMUs

4

16

ROPs

4

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

1.400 GPixel/s

17.28 GTexel/s

Texture Rate

2.800 GTexel/s

-

414.7 GFLOPS

FP32 (float)

134.4 GFLOPS

34.56 GFLOPS

FP64 (double)

11.20 GFLOPS

Board Design

70W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

GF108

-

GPU Variant

GF108-200-A1

Fermi 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

0.585 billion

238 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

2.1

CUDA

2.1

5.1

Shader Model

5.1

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