AMD Radeon RX 640 Mobile vs AMD Radeon HD 8530M

VS

AMD Radeon RX 640 Mobile AMD Radeon HD 8530M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 1024MB VRAM Radeon HD 8530M 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 5 years and 4 months late

Boost Clock has increased by 74% (1218MHz vs 700MHz)

More VRAM (2GB vs 1GB)

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

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +247%

1.559 TFLOPS

Radeon HD 8530M

0.448 TFLOPS

Radeon RX 640 Mobile

VS

Radeon HD 8530M

Graphics Card

May 2019

Release Date

Jan 2014

Mobility Radeon

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1082 MHz

Base Clock

650 MHz

1218 MHz

Boost Clock

700 MHz

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

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

320

40

TMUs

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

5.600 GPixel/s

48.72 GTexel/s

Texture Rate

11.20 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

448.0 GFLOPS

97.44 GFLOPS

FP64 (double)

28.00 GFLOPS

Graphics Processor

Polaris 23

GPU Name

Mars

Polaris 23 XT

GPU Variant

Mars S3 LE (216-0842054)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.95 billion

103 mm²

Die Size

77 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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