AMD Radeon R7 M340 vs AMD Radeon E6465

VS

AMD Radeon R7 M340

AMD Radeon E6465

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 2GB VRAM Radeon E6465 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Boost Clock715MHz

224 additional rendering cores

AMD Radeon E6465 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M340 +185%

0.549 TFLOPS

Radeon E6465

0.192 TFLOPS

Radeon R7 M340

VS

Radeon E6465

Graphics Card

Dec 2015

Release Date

Sep 2015

Gem System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

620 MHz

Base Clock

-

715 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

2

-

384

Shading Units

160

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

2.400 GPixel/s

17.16 GTexel/s

Texture Rate

4.800 GTexel/s

-

549.1 GFLOPS

FP32 (float)

192.0 GFLOPS

34.32 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Opal

GPU Name

Caicos

Opal PRO

GPU Variant

-

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.37 billion

77 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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