AMD Radeon R7 M465X vs AMD Radeon R7 M340

VS

AMD Radeon R7 M465X

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M465X 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 R7 M465X 's Advantages

Boost Clock has increased by 29% (925MHz vs 715MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 16.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M465X +72%

0.947 TFLOPS

Radeon R7 M340

0.549 TFLOPS

Radeon R7 M465X

VS

Radeon R7 M340

Graphics Card

May 2016

Release Date

Dec 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

620 MHz

925 MHz

Boost Clock

715 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

16.00GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

5.720 GPixel/s

29.60 GTexel/s

Texture Rate

17.16 GTexel/s

-

947.2 GFLOPS

FP32 (float)

549.1 GFLOPS

59.20 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Tropo

GPU Name

Opal

Tropo LE

GPU Variant

Opal PRO

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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