GPU Comparison

A

AMD

RADEON

AMD Radeon RX 640 OEM

CORE STATE Polaris 23

VRAM 4 GB

CLOCK SPEED —

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2020

VS

i

Intel

GPU

UHD Graphics 630

CORE STATE Comet Lake GT2

VRAM System Shared

CLOCK SPEED 1150 MHz

TDP 15 W

BUS WIDTH System Shared

ARCHITECTURE Generation 9.5

nm

PROCESS 14 nm+++

LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_metal

N/A

5,809

geekbench_opencl

N/A

4,662

geekbench_vulkan

N/A

5,440

passmark_directx_10

N/A

5

passmark_directx_11

N/A

10

passmark_directx_12

N/A

5

passmark_directx_9

N/A

25

passmark_g2d

N/A

298

passmark_g3d

N/A

1,232

passmark_gpu_compute

N/A

503

DETAILED SPECIFICATIONS

SPECIFICATION

RX 640 OEM

UHD Graphics 630

Core Specs

Shading Units

640

184 -71.3%

Shaders

640

184 -71.3%

TMUs

40

23 -42.5%

ROPs

16

3 -81.3%

Compute Units

10

—

Execution Units

—

23

Clocks

Base Clock

—

350 MHz

Boost Clock

—

1150 MHz

GPU Clock

1295 MHz

—

Memory Clock

1500 MHz 6 Gbps effective

System Shared

Memory

Memory Size

4 GB

System Shared

VRAM (MB)

4,096

—

Memory Type

GDDR5

System Shared

Memory Bus

128 bit

System Shared

Bandwidth

96.00 GB/s

System Dependent

Cache

L1 Cache

16 KB (per CU)

—

L2 Cache

512 KB

—

Performance

Pixel Rate

20.72 GPixel/s

3.450 GPixel/s

Texture Rate

51.80 GTexel/s

26.45 GTexel/s

FP32 (TFLOPS)

1.658 TFLOPS

423.2 GFLOPS

FP64 (TFLOPS)

103.6 GFLOPS (1:16)

105.8 GFLOPS (1:4)

FP16 (TFLOPS)

1.658 TFLOPS (1:1)

846.4 GFLOPS (2:1)

Power

TDP

50 W

15 W

TDP (W)

50

15 -70.0%

Suggested PSU

250 W

—

Power Connectors

None

—

Architecture

Architecture

GCN 4.0

Generation 9.5

GPU Name

Polaris 23

Comet Lake GT2

Generation

Polaris (RX 600)

HD Graphics (Comet Lake)

Process Size

14 nm

14 nm+++

Transistors

2,200 million

—

Die Size

103 mm²

—

Foundry

GlobalFoundries

Intel

Density

21.4M / mm²

—

API Support

DirectX

12 (12_0)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.3

1.3

OpenCL

2.1

3.0

Shader Model

6.7

6.5

Physical

Slot Width

Single-slot

IGP

Outputs

1x DisplayPort 1.4a2x mini-DisplayPort 1.4a

Motherboard Dependent

Bus Interface

PCIe 3.0 x8

Ring Bus

Other

Production

End-of-life

End-of-life

Predecessor

Polaris

—

Successor

Vega

—

View Radeon RX 640 OEM Details View UHD Graphics 630 Details