AMD Radeon R5 M320 vs AMD Radeon HD 7870M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M320 and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M320 's Advantages

Released 3 years and 1 months late

Boost Clock855MHz

More VRAM (4GB vs 2GB)

AMD Radeon HD 7870M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M320

0.547 TFLOPS

Radeon HD 7870M +87%

1.024 TFLOPS

Radeon R5 M320

VS

Radeon HD 7870M

Graphics Card

May 2015

Release Date

Apr 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

780 MHz

Base Clock

-

855 MHz

Boost Clock

-

1000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

5

Compute Units

10

320

Shading Units

640

20

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

6.840 GPixel/s

Pixel Rate

12.80 GPixel/s

17.10 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

547.2 GFLOPS

FP32 (float)

1024 GFLOPS

34.20 GFLOPS

FP64 (double)

64.00 GFLOPS

Graphics Processor

Jet

GPU Name

Heathrow

Jet PRO (216-0856040)

GPU Variant

Heathrow XT (216-0835033)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.5 billion

56 mm²

Die Size

123 mm²

Board Design

Unknown

TDP

45W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

CUDA

-

6.5 (5.1)

Shader Model

5.1

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