AMD Radeon HD 8970M vs AMD Radeon R7 M340

VS

AMD Radeon HD 8970M

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

Boost Clock has increased by 26% (900MHz vs 715MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 16.00GB/s)

896 additional rendering cores

AMD Radeon R7 M340 's Advantages

Released 2 years and 7 months late

Score

Benchmark

FP32 (float)

Radeon HD 8970M +319%

2.304 TFLOPS

Radeon R7 M340

0.549 TFLOPS

Radeon HD 8970M

VS

Radeon R7 M340

Graphics Card

May 2013

Release Date

Dec 2015

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

850 MHz

Base Clock

620 MHz

900 MHz

Boost Clock

715 MHz

1200 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

16.00GB/s

Render Config

20

Compute Units

6

-

1280

Shading Units

384

80

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

5.720 GPixel/s

72.00 GTexel/s

Texture Rate

17.16 GTexel/s

-

2.304 TFLOPS

FP32 (float)

549.1 GFLOPS

144.0 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Neptune

GPU Name

Opal

Neptune XT (216-0847000)

GPU Variant

Opal PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.95 billion

212 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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