AMD Radeon RX 640 Mobile vs AMD Radeon Pro 460

VS

AMD Radeon RX 640 Mobile

AMD Radeon Pro 460

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 4GB VRAM Radeon Pro 460 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 2 years and 7 months late

Boost Clock has increased by 34% (1218MHz vs 907MHz)

AMD Radeon Pro 460 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (81.28GB/s vs 48.00GB/s)

384 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

Radeon Pro 460 +19%

1.858 TFLOPS

Radeon RX 640 Mobile

VS

Radeon Pro 460

Graphics Card

May 2019

Release Date

Oct 2016

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1082 MHz

Base Clock

850 MHz

1218 MHz

Boost Clock

907 MHz

1500 MHz

Memory Clock

1270 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

81.28GB/s

Render Config

10

Compute Units

16

-

640

Shading Units

1024

40

TMUs

64

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

14.51 GPixel/s

48.72 GTexel/s

Texture Rate

58.05 GTexel/s

1.559 TFLOPS

FP16 (half)

1.858 TFLOPS

1.559 TFLOPS

FP32 (float)

1.858 TFLOPS

97.44 GFLOPS

FP64 (double)

116.1 GFLOPS

Board Design

50W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

Baffin

Polaris 23 XT

GPU Variant

Baffin XT

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

3 billion

103 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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