AMD Radeon HD 8690M vs AMD Radeon RX 460 Mobile

VS

AMD Radeon HD 8690M AMD Radeon RX 460 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 4GB VRAM Radeon RX 460 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 Mobile 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 21% (1180MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (80.00GB/s vs 32.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Radeon RX 460 Mobile +238%

2.115 TFLOPS

Radeon HD 8690M

VS

Radeon RX 460 Mobile

Graphics Card

Mar 2013

Release Date

Aug 2016

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

1000 MHz

975 MHz

Boost Clock

1180 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

-

5

Compute Units

14

320

Shading Units

896

20

TMUs

56

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

18.88 GPixel/s

19.50 GTexel/s

Texture Rate

66.08 GTexel/s

-

FP16 (half)

2.115 TFLOPS

624.0 GFLOPS

FP32 (float)

2.115 TFLOPS

39.00 GFLOPS

FP64 (double)

132.2 GFLOPS

Graphics Processor

Sun

GPU Name

Baffin

Sun S3 XT (216-0841009)

GPU Variant

Baffin XT

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

Board Design

Unknown

TDP

55W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

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

-

CUDA

-

6.5 (5.1)

Shader Model

6.4

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