GPU Comparison

A

AMD

RADEON

AMD Radeon RX 640 Mobile

CORE STATE Polaris 23

VRAM 2 GB

CLOCK SPEED 1218 MHz

TDP 50 W

BUS WIDTH 64 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2019

VS

?

Unknown

GPU

Matrox Parhelia 256 MB

CORE STATE Parhelia-512

VRAM 256 MB

CLOCK SPEED —

TDP —

BUS WIDTH 256 bit

ARCHITECTURE Parhelia

nm

PROCESS 150 nm

LAUNCH DATE 2002

DETAILED SPECIFICATIONS

SPECIFICATION

RX 640 Mobile

Matrox Parhelia 256 MB

Core Specs

Shading Units

640

—

Shaders

640

—

TMUs

40

16 -60.0%

ROPs

16

4 -75.0%

Compute Units

10

—

Clocks

Base Clock

1082 MHz

—

Boost Clock

1218 MHz

—

GPU Clock

—

200 MHz

Memory Clock

1500 MHz 6 Gbps effective

250 MHz 500 Mbps effective

Memory

Memory Size

2 GB

256 MB

VRAM (MB)

2,048

256 -87.5%

Memory Type

GDDR5

DDR

Memory Bus

64 bit

256 bit

Bandwidth

48.00 GB/s

16.00 GB/s

Cache

L1 Cache

16 KB (per CU)

—

L2 Cache

512 KB

—

Performance

Pixel Rate

19.49 GPixel/s

800.0 MPixel/s

Texture Rate

48.72 GTexel/s

3.200 GTexel/s

FP32 (TFLOPS)

1.559 TFLOPS

—

FP64 (TFLOPS)

97.44 GFLOPS (1:16)

—

FP16 (TFLOPS)

1.559 TFLOPS (1:1)

—

Power

TDP

50 W

—

TDP (W)

50

—

Suggested PSU

—

200 W

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

Parhelia

GPU Name

Polaris 23

Parhelia-512

Generation

Polaris Mobile (M600)

Parhelia

Process Size

14 nm

150 nm

Transistors

2,200 million

80 million

Die Size

103 mm²

174 mm²

Foundry

GlobalFoundries

UMC

Density

21.4M / mm²

459.8K / mm²

API Support

DirectX

12 (12_0)

8.1

OpenGL

4.6

1.3

Vulkan

1.3

—

OpenCL

2.1

—

Shader Model

6.7

—

Physical

Slot Width

IGP

Single-slot

Length

—

175 mm 6.9 inches

Outputs

Portable Device Dependent

2x DVI

Bus Interface

PCIe 3.0 x8

AGP 4x

Other

Production

End-of-life

End-of-life

Predecessor

Gem System

—

Successor

Navi Mobile

—

View Radeon RX 640 Mobile Details View Matrox Parhelia 256 MB Details