AMD Radeon Pro W5500M vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon Pro W5500M

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro W5500M and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W5500M 's Advantages

Released 11 years and 5 months late

Boost Clock1700MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 54.40GB/s)

1088 additional rendering cores

Lower TDP (85W vs 110W)

Score

Benchmark

FP32 (float)

Radeon Pro W5500M +1034%

4.787 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon Pro W5500M

VS

Mobility Radeon HD 3870 X2

Graphics Card

Feb 2020

Release Date

Sep 2008

Radeon Pro Mobile

Generation

M8x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1700 MHz

Boost Clock

-

1750 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

54.40GB/s

Render Config

22

Compute Units

4

-

1408

Shading Units

320

88

TMUs

16

32

ROPs

16

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

54.40 GPixel/s

Pixel Rate

10.56 GPixel/s

149.6 GTexel/s

Texture Rate

10.56 GTexel/s

9.574 TFLOPS

FP16 (half)

-

4.787 TFLOPS

FP32 (float)

422.4 GFLOPS

299.2 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

85W

TDP

110W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 14

GPU Name

M88

Navi 14 PRO XTM

GPU Variant

-

RDNA 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

6.4 billion

Transistors

0.666 billion

158 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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