AMD Radeon R5 A220 vs NVIDIA GeForce GT 420M

VS

AMD Radeon R5 A220

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A220 and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A220 's Advantages

Released 3 years and 4 months late

More VRAM (1024GB vs 512GB)

64 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

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

Lower TDP (23W vs 35W)

Score

Benchmark

FP32 (float)

Radeon R5 A220 +29%

0.248 TFLOPS

GeForce GT 420M

0.192 TFLOPS

Radeon R5 A220

VS

GeForce GT 420M

Graphics Card

Jan 2014

Release Date

Sep 2010

All-In-One

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

-

SM Count

2

160

Shading Units

96

8

TMUs

16

4

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

2.000 GPixel/s

6.200 GTexel/s

Texture Rate

8.000 GTexel/s

-

248.0 GFLOPS

FP32 (float)

192.0 GFLOPS

-

FP64 (double)

16.00 GFLOPS

Board Design

35W

TDP

23W

-

1x DVI 1x HDMI 1.3a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

GF108

Caicos XT (215-0804070)

GPU Variant

N11P-GE-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.585 billion

67 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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