AMD Radeon RX 460 Mobile vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon RX 460 Mobile NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 460 Mobile and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 Mobile 's Advantages

Released 4 years and 3 months late

Boost Clock1180MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (80.00GB/s vs 50.24GB/s)

800 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 55W)

Score

Benchmark

FP32 (float)

Radeon RX 460 Mobile +631%

2.115 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon RX 460 Mobile

VS

GeForce GT 640M LE

Graphics Card

Aug 2016

Release Date

May 2012

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1180 MHz

Boost Clock

-

1250 MHz

Memory Clock

785 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

50.24GB/s

Render Config

-

SM Count

2

14

Compute Units

-

896

Shading Units

96

56

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

Theoretical Performance

18.88 GPixel/s

Pixel Rate

3.012 GPixel/s

66.08 GTexel/s

Texture Rate

12.05 GTexel/s

2.115 TFLOPS

FP16 (half)

-

2.115 TFLOPS

FP32 (float)

289.0 GFLOPS

132.2 GFLOPS

FP64 (double)

24.08 GFLOPS

Graphics Processor

Baffin

GPU Name

GF108

Baffin XT

GPU Variant

-

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.585 billion

123 mm²

Die Size

116 mm²

Board Design

55W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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