AMD Radeon HD 8870M vs AMD Radeon R7 M365X

VS

AMD Radeon HD 8870M

AMD Radeon R7 M365X

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 1024MB VRAM Radeon R7 M365X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)

256 additional rendering cores

AMD Radeon R7 M365X 's Advantages

Released 2 years and 1 months late

Boost Clock has increased by 24% (960MHz vs 775MHz)

Score

Benchmark

FP32 (float)

Radeon HD 8870M +56%

0.992 TFLOPS

Radeon R7 M365X

0.633 TFLOPS

Radeon HD 8870M

VS

Radeon R7 M365X

Graphics Card

Apr 2013

Release Date

May 2015

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

725 MHz

Base Clock

900 MHz

775 MHz

Boost Clock

960 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

6

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

6.600 GPixel/s

31.00 GTexel/s

Texture Rate

19.80 GTexel/s

-

992.0 GFLOPS

FP32 (float)

633.6 GFLOPS

62.00 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Venus

GPU Name

Litho

Venus XT (216-0846000)

GPU Variant

Litho XT (216-0868010)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

0.95 billion

123 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5 (5.1)

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