AMD Radeon HD 8970M vs AMD Radeon R5 M315

VS

AMD Radeon HD 8970M

AMD Radeon R5 M315

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

Main Differences

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

AMD Radeon R5 M315 's Advantages

Released 2 years late

Score

Benchmark

FP32 (float)

Radeon HD 8970M +209%

2.304 TFLOPS

Radeon R5 M315

0.745 TFLOPS

Radeon HD 8970M

VS

Radeon R5 M315

Graphics Card

May 2013

Release Date

May 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

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

14.40GB/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

128 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

7.760 GPixel/s

72.00 GTexel/s

Texture Rate

23.28 GTexel/s

-

FP16 (half)

745.0 GFLOPS

2.304 TFLOPS

FP32 (float)

745.0 GFLOPS

144.0 GFLOPS

FP64 (double)

46.56 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Neptune

GPU Name

Meso

Neptune XT (216-0847000)

GPU Variant

Meso LE (216-0864046)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.55 billion

212 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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