ATI Mobility Radeon HD 3870 vs AMD Radeon Pro 570

VS

ATI Mobility Radeon HD 3870

AMD Radeon Pro 570

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 4GB VRAM Radeon Pro 570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 150W)

AMD Radeon Pro 570 's Advantages

Released 9 years late

Boost Clock1105MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (217.0GB/s vs 54.40GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon Pro 570 +838%

3.96 TFLOPS

Mobility Radeon HD 3870

VS

Radeon Pro 570

Graphics Card

Jun 2008

Release Date

Jun 2017

M8x

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1105 MHz

850 MHz

Memory Clock

1695 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

217.0GB/s

Render Config

4

Compute Units

28

-

320

Shading Units

1792

16

TMUs

112

16

ROPs

32

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

35.36 GPixel/s

10.56 GTexel/s

Texture Rate

123.8 GTexel/s

-

FP16 (half)

3.960 TFLOPS

422.4 GFLOPS

FP32 (float)

3.960 TFLOPS

84.48 GFLOPS

FP64 (double)

247.5 GFLOPS

Board Design

55W

TDP

150W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M88

GPU Name

Polaris 20

-

GPU Variant

Polaris 20

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

5.7 billion

192 mm²

Die Size

232 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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