AMD Radeon RX 640 Mobile vs AMD Radeon E6460

VS

AMD Radeon RX 640 Mobile AMD Radeon E6460

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 512MB VRAM Radeon E6460 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 1 months late

Boost Clock1218MHz

Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)

480 additional rendering cores

AMD Radeon E6460 's Advantages

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +711%

1.559 TFLOPS

Radeon E6460

0.192 TFLOPS

Radeon RX 640 Mobile

VS

Radeon E6460

Graphics Card

May 2019

Release Date

Apr 2011

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

10

Compute Units

2

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

2.400 GPixel/s

48.72 GTexel/s

Texture Rate

4.800 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

192.0 GFLOPS

97.44 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

Caicos

Polaris 23 XT

GPU Variant

E6460

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.37 billion

103 mm²

Die Size

67 mm²

Board Design

50W

TDP

25W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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