NVIDIA GeForce GT 420M vs NVIDIA GeForce 8800M GTX

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce 8800M GTX

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 512MB VRAM GeForce 8800M GTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Released 2 years and 10 months late

Lower TDP (23W vs 65W)

NVIDIA GeForce 8800M GTX 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

GeForce 8800M GTX +25%

0.24 TFLOPS

GeForce GT 420M

VS

GeForce 8800M GTX

Graphics Card

Sep 2010

Release Date

Nov 2007

GeForce 400M

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-HE

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

51.20GB/s

Render Config

-

2

SM Count

12

96

Shading Units

96

16

TMUs

48

4

ROPs

16

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

8.000 GPixel/s

8.000 GTexel/s

Texture Rate

24.00 GTexel/s

-

192.0 GFLOPS

FP32 (float)

240.0 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

65W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

G92

N11P-GE-A1

GPU Variant

NB8E-GTX-A2

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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