AMD Radeon HD 8970M vs AMD Radeon RX 460 Mobile

VS

AMD Radeon HD 8970M

AMD Radeon RX 460 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M 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 HD 8970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 80.00GB/s)

384 additional rendering cores

AMD Radeon RX 460 Mobile 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 31% (1180MHz vs 900MHz)

Lower TDP (55W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M +8%

2.304 TFLOPS

Radeon RX 460 Mobile

2.115 TFLOPS

Radeon HD 8970M

VS

Radeon RX 460 Mobile

Graphics Card

May 2013

Release Date

Aug 2016

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

1000 MHz

900 MHz

Boost Clock

1180 MHz

1200 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

80.00GB/s

Render Config

20

Compute Units

14

-

1280

Shading Units

896

80

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

18.88 GPixel/s

72.00 GTexel/s

Texture Rate

66.08 GTexel/s

-

FP16 (half)

2.115 TFLOPS

2.304 TFLOPS

FP32 (float)

2.115 TFLOPS

144.0 GFLOPS

FP64 (double)

132.2 GFLOPS

Board Design

100W

TDP

55W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Neptune

GPU Name

Baffin

Neptune XT (216-0847000)

GPU Variant

Baffin XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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