NVIDIA GeForce GT 420M vs AMD Radeon R5 A220

VS

NVIDIA GeForce GT 420M

AMD Radeon R5 A220

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Radeon R5 A220 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)

Lower TDP (23W vs 35W)

AMD Radeon R5 A220 's Advantages

Released 3 years and 4 months late

More VRAM (1024GB vs 512GB)

64 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon R5 A220 +29%

0.248 TFLOPS

GeForce GT 420M

VS

Radeon R5 A220

Graphics Card

Sep 2010

Release Date

Jan 2014

GeForce 400M

Generation

All-In-One

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

-

Compute Units

2

SM Count

-

96

Shading Units

160

16

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

3.100 GPixel/s

8.000 GTexel/s

Texture Rate

6.200 GTexel/s

-

192.0 GFLOPS

FP32 (float)

248.0 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

35W

-

No outputs

Outputs

1x DVI 1x HDMI 1.3a

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

Caicos

N11P-GE-A1

GPU Variant

Caicos XT (215-0804070)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

0.37 billion

116 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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