NVIDIA GeForce GT 420M vs AMD Radeon RX 460 Mobile

VS

NVIDIA GeForce GT 420M

AMD Radeon RX 460 Mobile

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 420M and 4GB VRAM Radeon RX 460 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 55W)

AMD Radeon RX 460 Mobile 's Advantages

Released 5 years and 11 months late

Boost Clock1180MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (80.00GB/s vs 25.60GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 420M

0.192 TFLOPS

Radeon RX 460 Mobile +1001%

2.115 TFLOPS

GeForce GT 420M

VS

Radeon RX 460 Mobile

Graphics Card

Sep 2010

Release Date

Aug 2016

GeForce 400M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1180 MHz

800 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

80.00GB/s

Render Config

-

Compute Units

14

2

SM Count

-

96

Shading Units

896

16

TMUs

56

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

18.88 GPixel/s

8.000 GTexel/s

Texture Rate

66.08 GTexel/s

-

FP16 (half)

2.115 TFLOPS

192.0 GFLOPS

FP32 (float)

2.115 TFLOPS

16.00 GFLOPS

FP64 (double)

132.2 GFLOPS

Board Design

23W

TDP

55W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

Baffin

N11P-GE-A1

GPU Variant

Baffin XT

Fermi

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.585 billion

Transistors

3 billion

116 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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