NVIDIA GeForce GTX 470M vs NVIDIA GeForce GT 420M

VS

NVIDIA GeForce GTX 470M

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 1536MB VRAM GeForce GTX 470M and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 470M 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)

192 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 470M +220%

0.616 TFLOPS

GeForce GT 420M

0.192 TFLOPS

GeForce GTX 470M

VS

GeForce GT 420M

Graphics Card

Sep 2010

Release Date

Sep 2010

GeForce 400M

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

72.00GB/s

Bandwidth

25.60GB/s

Render Config

-

6

SM Count

2

288

Shading Units

96

48

TMUs

16

24

ROPs

4

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

6.420 GPixel/s

Pixel Rate

2.000 GPixel/s

25.68 GTexel/s

Texture Rate

8.000 GTexel/s

-

616.3 GFLOPS

FP32 (float)

192.0 GFLOPS

51.36 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

75W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GF104

GPU Name

GF108

N11E-GT

GPU Variant

N11P-GE-A1

Fermi

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.585 billion

332 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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