NVIDIA GeForce GT 420M vs NVIDIA GeForce GT 320M

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Released 6 months late

Larger VRAM bandwidth (25.60GB/s vs 25.28GB/s)

72 additional rendering cores

NVIDIA GeForce GT 320M 's Advantages

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

GeForce GT 420M +262%

0.192 TFLOPS

GeForce GT 320M

0.053 TFLOPS

GeForce GT 420M

VS

GeForce GT 320M

Graphics Card

Sep 2010

Release Date

Mar 2010

GeForce 400M

Generation

GeForce 300M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

790 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

25.28GB/s

Render Config

-

2

SM Count

3

96

Shading Units

24

16

TMUs

8

4

ROPs

8

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

4.000 GPixel/s

8.000 GTexel/s

Texture Rate

4.000 GTexel/s

-

192.0 GFLOPS

FP32 (float)

52.80 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GT216

N11P-GE-A1

GPU Variant

-

Fermi

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

0.486 billion

116 mm²

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.2

5.1

Shader Model

4.1

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