AMD Radeon R5 M315 vs AMD Radeon HD 8970M

VS

AMD Radeon R5 M315

AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M315 and 4GB VRAM Radeon HD 8970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M315 's Advantages

Released 2 years late

AMD Radeon HD 8970M 's Advantages

Boost Clock900MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M315

0.745 TFLOPS

Radeon HD 8970M +209%

2.304 TFLOPS

Radeon R5 M315

VS

Radeon HD 8970M

Graphics Card

May 2015

Release Date

May 2013

Gem System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

153.6GB/s

Render Config

6

Compute Units

20

-

384

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.760 GPixel/s

Pixel Rate

28.80 GPixel/s

23.28 GTexel/s

Texture Rate

72.00 GTexel/s

745.0 GFLOPS

FP16 (half)

-

745.0 GFLOPS

FP32 (float)

2.304 TFLOPS

46.56 GFLOPS

FP64 (double)

144.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

Neptune

Meso LE (216-0864046)

GPU Variant

Neptune XT (216-0847000)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

2.8 billion

125 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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