AMD Radeon R5 M445 vs AMD Radeon R7 M340

VS

AMD Radeon R5 M445

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 16.00GB/s)

AMD Radeon R7 M340 's Advantages

Boost Clock715MHz

Score

Benchmark

FP32 (float)

Radeon R5 M445 +28%

0.706 TFLOPS

Radeon R7 M340

0.549 TFLOPS

Radeon R5 M445

VS

Radeon R7 M340

Graphics Card

Jan 2016

Release Date

Dec 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

1000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

32.00GB/s

Bandwidth

16.00GB/s

Render Config

6

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

5.720 GPixel/s

22.08 GTexel/s

Texture Rate

17.16 GTexel/s

-

706.6 GFLOPS

FP32 (float)

549.1 GFLOPS

-

FP64 (double)

34.32 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

Opal

Meso XT (216-0864018)

GPU Variant

Opal PRO

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

0.95 billion

125 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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