NVIDIA GeForce GT 420M vs AMD Radeon R5 A240

VS

NVIDIA GeForce GT 420M

AMD Radeon R5 A240

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 1024MB VRAM Radeon R5 A240 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)

AMD Radeon R5 A240 's Advantages

Released 3 years and 4 months late

More VRAM (1024GB vs 512GB)

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon R5 A240 +243%

0.659 TFLOPS

GeForce GT 420M

VS

Radeon R5 A240

Graphics Card

Sep 2010

Release Date

Jan 2014

GeForce 400M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

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

5

2

SM Count

-

96

Shading Units

320

16

TMUs

20

4

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

8.240 GPixel/s

8.000 GTexel/s

Texture Rate

20.60 GTexel/s

-

192.0 GFLOPS

FP32 (float)

659.2 GFLOPS

16.00 GFLOPS

FP64 (double)

-

Board Design

23W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF108

GPU Name

Jet

N11P-GE-A1

GPU Variant

Jet XT

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

0.69 billion

116 mm²

Die Size

56 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5 (5.1)

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