AMD Radeon R9 M370X Mac Edition vs ATI Mobility Radeon HD 3870

VS

AMD Radeon R9 M370X Mac Edition

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M370X Mac Edition and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M370X Mac Edition 's Advantages

Released 6 years and 11 months late

Boost Clock800MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 54.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M370X Mac Edition +142%

1.024 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon R9 M370X Mac Edition

VS

Mobility Radeon HD 3870

Graphics Card

May 2015

Release Date

Jun 2008

Gem System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

775 MHz

Base Clock

-

800 MHz

Boost Clock

-

1125 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

54.40GB/s

Render Config

10

Compute Units

4

-

640

Shading Units

320

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

10.56 GPixel/s

32.00 GTexel/s

Texture Rate

10.56 GTexel/s

-

1024 GFLOPS

FP32 (float)

422.4 GFLOPS

64.00 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

Unknown

TDP

55W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Tropo

GPU Name

M88

Tropo XT

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.666 billion

123 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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