ATI Mobility Radeon HD 3870 vs AMD Radeon HD 8570M

VS

ATI Mobility Radeon HD 3870 AMD Radeon HD 8570M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 1024MB VRAM Radeon HD 8570M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 16.00GB/s)

AMD Radeon HD 8570M 's Advantages

Released 4 years and 9 months late

Boost Clock825MHz

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon HD 8570M +25%

0.528 TFLOPS

Mobility Radeon HD 3870

VS

Radeon HD 8570M

Graphics Card

Jun 2008

Release Date

Mar 2013

M8x

Generation

Solar System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

750 MHz

-

Boost Clock

825 MHz

850 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

54.40GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

4

Compute Units

5

320

Shading Units

320

16

TMUs

20

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

6.600 GPixel/s

10.56 GTexel/s

Texture Rate

16.50 GTexel/s

-

FP16 (half)

-

422.4 GFLOPS

FP32 (float)

528.0 GFLOPS

84.48 GFLOPS

FP64 (double)

33.00 GFLOPS

Graphics Processor

M88

GPU Name

Sun

-

GPU Variant

Sun S3 PRO (216-0841018)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

0.69 billion

192 mm²

Die Size

56 mm²

Board Design

55W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

CUDA

-

4.1

Shader Model

6.5 (5.1)

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