NVIDIA GeForce GT 640M LE vs AMD Radeon R9 M470X

VS

NVIDIA GeForce GT 640M LE AMD Radeon R9 M470X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 4GB VRAM Radeon R9 M470X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M470X 's Advantages

Released 4 years late

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 50.24GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640M LE

0.289 TFLOPS

Radeon R9 M470X +582%

1.971 TFLOPS

GeForce GT 640M LE

VS

Radeon R9 M470X

Graphics Card

May 2012

Release Date

May 2016

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

785 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

50.24GB/s

Bandwidth

76.80GB/s

Render Config

2

SM Count

-

Compute Units

14

96

Shading Units

896

16

TMUs

56

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

3.012 GPixel/s

Pixel Rate

17.60 GPixel/s

12.05 GTexel/s

Texture Rate

61.60 GTexel/s

-

FP16 (half)

-

289.0 GFLOPS

FP32 (float)

1.971 TFLOPS

24.08 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

GF108

GPU Name

Emerald

-

GPU Variant

Emerald XT

Fermi

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

2.08 billion

116 mm²

Die Size

160 mm²

Board Design

32W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5

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