AMD Radeon RX 640 Mobile vs AMD Radeon 625 Mobile

VS

AMD Radeon RX 640 Mobile AMD Radeon 625 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 2GB VRAM Radeon 625 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Boost Clock has increased by 19% (1218MHz vs 1024MHz)

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +98%

1.559 TFLOPS

Radeon 625 Mobile

0.786 TFLOPS

Radeon RX 640 Mobile

VS

Radeon 625 Mobile

Graphics Card

May 2019

Release Date

May 2019

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1082 MHz

Base Clock

730 MHz

1218 MHz

Boost Clock

1024 MHz

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

10

Compute Units

6

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

8.192 GPixel/s

48.72 GTexel/s

Texture Rate

24.58 GTexel/s

1.559 TFLOPS

FP16 (half)

786.4 GFLOPS

1.559 TFLOPS

FP32 (float)

786.4 GFLOPS

97.44 GFLOPS

FP64 (double)

49.15 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Polaris 24

Polaris 23 XT

GPU Variant

Polaris 24 XT (216-0867030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

1.55 billion

103 mm²

Die Size

125 mm²

Board Design

50W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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