NVIDIA GeForce GT 420M vs NVIDIA GeForce GT 120M Mac Edition

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce GT 120M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 256MB VRAM GeForce GT 120M Mac Edition 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 9 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 25.34GB/s)

64 additional rendering cores

NVIDIA GeForce GT 120M Mac Edition 's Advantages

Lower TDP (14W vs 23W)

Score

Benchmark

FP32 (float)

GeForce GT 420M +140%

0.192 TFLOPS

GeForce GT 120M Mac Edition

0.08 TFLOPS

GeForce GT 420M

VS

GeForce GT 120M Mac Edition

Graphics Card

Sep 2010

Release Date

Dec 2008

GeForce 400M

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

792 MHz

Memory

512MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

25.34GB/s

Render Config

-

2

SM Count

4

96

Shading Units

32

16

TMUs

16

4

ROPs

8

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

4.000 GPixel/s

8.000 GTexel/s

Texture Rate

8.000 GTexel/s

-

192.0 GFLOPS

FP32 (float)

80.00 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

G96C

N11P-GE-A1

GPU Variant

-

Fermi

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.585 billion

Transistors

0.314 billion

116 mm²

Die Size

121 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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