AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 470M

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce GTX 470M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 1536MB VRAM GeForce GTX 470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 8 years and 8 months late

Boost Clock1218MHz

More VRAM (2GB vs 1536GB)

352 additional rendering cores

Lower TDP (50W vs 75W)

NVIDIA GeForce GTX 470M 's Advantages

Larger VRAM bandwidth (72.00GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +153%

1.559 TFLOPS

GeForce GTX 470M

0.616 TFLOPS

Radeon RX 640 Mobile

VS

GeForce GTX 470M

Graphics Card

May 2019

Release Date

Sep 2010

Mobility Radeon

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

192bit

48.00GB/s

Bandwidth

72.00GB/s

Render Config

10

Compute Units

-

SM Count

6

640

Shading Units

288

40

TMUs

48

16

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

6.420 GPixel/s

48.72 GTexel/s

Texture Rate

25.68 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

616.3 GFLOPS

97.44 GFLOPS

FP64 (double)

51.36 GFLOPS

Board Design

50W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

GF104

Polaris 23 XT

GPU Variant

N11E-GT

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

1.95 billion

103 mm²

Die Size

332 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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