NVIDIA GeForce GT 420M vs NVIDIA GeForce GTX 280M

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce GTX 280M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM GeForce GTX 280M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Released 1 years and 6 months late

Lower TDP (23W vs 75W)

NVIDIA GeForce GTX 280M 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (60.80GB/s vs 25.60GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce GTX 280M +94%

0.374 TFLOPS

GeForce GT 420M

VS

GeForce GTX 280M

Graphics Card

Sep 2010

Release Date

Mar 2009

GeForce 400M

Generation

GeForce 200M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-IV

Clock Speeds

-

800 MHz

Memory Clock

950 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

60.80GB/s

Render Config

-

2

SM Count

16

96

Shading Units

128

16

TMUs

64

4

ROPs

16

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

9.360 GPixel/s

8.000 GTexel/s

Texture Rate

37.44 GTexel/s

-

192.0 GFLOPS

FP32 (float)

374.5 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

G92

N11P-GE-A1

GPU Variant

N10E-GTX

Fermi

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.585 billion

Transistors

0.754 billion

116 mm²

Die Size

324 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.1

5.1

Shader Model

4.0

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