AMD Radeon E6465 vs AMD Radeon Pro 555X

VS

AMD Radeon E6465

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon E6465 and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E6465 's Advantages

Lower TDP (25W vs 75W)

AMD Radeon Pro 555X 's Advantages

Released 2 years and 10 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 25.60GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E6465

0.192 TFLOPS

Radeon Pro 555X +625%

1.393 TFLOPS

Radeon E6465

VS

Radeon Pro 555X

Graphics Card

Sep 2015

Release Date

Jul 2018

Embedded

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

800 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

94.08GB/s

Render Config

2

Compute Units

12

-

160

Shading Units

768

8

TMUs

48

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

14.51 GPixel/s

4.800 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

192.0 GFLOPS

FP32 (float)

1393 GFLOPS

-

FP64 (double)

87.07 GFLOPS

Board Design

25W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Polaris 21

-

GPU Variant

Polaris 21 PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

3 billion

67 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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