AMD Radeon Pro 580 vs AMD Radeon E6465

VS

AMD Radeon Pro 580

AMD Radeon E6465

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580 and 2GB VRAM Radeon E6465 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages

Released 1 years and 9 months late

Boost Clock1200MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (217.0GB/s vs 25.60GB/s)

2144 additional rendering cores

AMD Radeon E6465 's Advantages

Lower TDP (25W vs 185W)

Score

Benchmark

FP32 (float)

Radeon Pro 580 +2780%

5.53 TFLOPS

Radeon E6465

0.192 TFLOPS

Radeon Pro 580

VS

Radeon E6465

Graphics Card

Jun 2017

Release Date

Sep 2015

Radeon Pro Mac

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1695 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

217.0GB/s

Bandwidth

25.60GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

160

144

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

2.400 GPixel/s

172.8 GTexel/s

Texture Rate

4.800 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

192.0 GFLOPS

345.6 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Caicos

Ellesmere XTA (216-0886220)

GPU Variant

-

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.37 billion

232 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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