NVIDIA GeForce GT 420M vs NVIDIA GeForce 800M

VS

NVIDIA GeForce GT 420M

NVIDIA GeForce 800M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM GeForce 800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

48 additional rendering cores

NVIDIA GeForce 800M 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 23W)

Score

Benchmark

FP32 (float)

GeForce GT 420M +35%

0.192 TFLOPS

GeForce 800M

0.142 TFLOPS

GeForce GT 420M

VS

GeForce 800M

Graphics Card

Sep 2010

Release Date

Mar 2014

GeForce 400M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

-

2

SM Count

1

96

Shading Units

48

16

TMUs

8

4

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

1.476 GPixel/s

8.000 GTexel/s

Texture Rate

5.904 GTexel/s

-

192.0 GFLOPS

FP32 (float)

141.7 GFLOPS

16.00 GFLOPS

FP64 (double)

11.81 GFLOPS

Board Design

23W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GF117

N11P-GE-A1

GPU Variant

N14M-GL

Fermi

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

0.585 billion

116 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

Related GPU Comparisons

1

NVIDIA GeForce GT 420M vs AMD Radeon E8860

2

NVIDIA GeForce GT 420M vs AMD Radeon RX 6550M

3

NVIDIA GeForce GT 420M vs NVIDIA GeForce GT 550M

4

NVIDIA GeForce GT 420M vs AMD FirePro M7740

5

NVIDIA GeForce GT 420M vs AMD Radeon HD 6970M

6

NVIDIA GeForce GT 420M vs NVIDIA T550 Mobile

7

NVIDIA GeForce GT 420M vs AMD Radeon 610 Mobile

8

NVIDIA GeForce GT 420M vs AMD Radeon R5 M240 Rebrand

9

NVIDIA GeForce GT 420M vs NVIDIA GeForce 410M

10

NVIDIA GeForce GT 420M vs AMD Radeon Pro Vega 64X

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early