AMD Radeon E6465 vs AMD Radeon R9 M295X Mac Edition

VS

AMD Radeon E6465

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon E6465 and 4GB VRAM Radeon R9 M295X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E6465 's Advantages

Released 10 months late

Lower TDP (25W vs 250W)

AMD Radeon R9 M295X Mac Edition 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 25.60GB/s)

1888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E6465

0.192 TFLOPS

Radeon R9 M295X Mac Edition +1713%

3.482 TFLOPS

Radeon E6465

VS

Radeon R9 M295X Mac Edition

Graphics Card

Sep 2015

Release Date

Nov 2014

Embedded

Generation

Crystal System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

800 MHz

Memory Clock

1362 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

174.3GB/s

Render Config

2

Compute Units

32

-

160

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

27.20 GPixel/s

4.800 GTexel/s

Texture Rate

108.8 GTexel/s

-

FP16 (half)

3.482 TFLOPS

192.0 GFLOPS

FP32 (float)

3.482 TFLOPS

-

FP64 (double)

217.6 GFLOPS

Board Design

25W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

Amethyst

-

GPU Variant

Amethyst XT

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

5 billion

67 mm²

Die Size

366 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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