AMD Radeon RX 470 Mobile vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon RX 470 Mobile

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 470 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 470 Mobile 's Advantages

Released 4 years and 3 months late

Boost Clock1074MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 50.24GB/s)

1952 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Lower TDP (32W vs 85W)

Score

Benchmark

FP32 (float)

Radeon RX 470 Mobile +1422%

4.399 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon RX 470 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

926 MHz

Base Clock

-

1074 MHz

Boost Clock

-

1750 MHz

Memory Clock

785 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.0GB/s

Bandwidth

50.24GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

96

128

TMUs

16

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.37 GPixel/s

Pixel Rate

3.012 GPixel/s

137.5 GTexel/s

Texture Rate

12.05 GTexel/s

4.399 TFLOPS

FP16 (half)

-

4.399 TFLOPS

FP32 (float)

289.0 GFLOPS

274.9 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

85W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

GF108

Ellesmere PRO

GPU Variant

-

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.585 billion

232 mm²

Die Size

116 mm²

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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