AMD Radeon HD 8690M vs AMD Radeon Pro 555X

VS

AMD Radeon HD 8690M

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M 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 HD 8690M 's Advantages

Boost Clock975MHz

AMD Radeon Pro 555X 's Advantages

Released 5 years and 4 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 32.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Radeon Pro 555X +123%

1.393 TFLOPS

Radeon HD 8690M

VS

Radeon Pro 555X

Graphics Card

Mar 2013

Release Date

Jul 2018

Solar System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1000 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

94.08GB/s

Render Config

5

Compute Units

12

-

320

Shading Units

768

20

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

14.51 GPixel/s

19.50 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

624.0 GFLOPS

FP32 (float)

1393 GFLOPS

39.00 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Polaris 21

Sun S3 XT (216-0841009)

GPU Variant

Polaris 21 PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

3 billion

56 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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