AMD Radeon R5 M315 vs AMD Radeon HD 6970M

VS

AMD Radeon R5 M315

AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M315 and 1024MB VRAM Radeon HD 6970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M315 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 1024GB)

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M315

0.745 TFLOPS

Radeon HD 6970M +75%

1.306 TFLOPS

Radeon R5 M315

VS

Radeon HD 6970M

Graphics Card

May 2015

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

115.2GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

960

24

TMUs

48

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.760 GPixel/s

Pixel Rate

21.76 GPixel/s

23.28 GTexel/s

Texture Rate

32.64 GTexel/s

745.0 GFLOPS

FP16 (half)

-

745.0 GFLOPS

FP32 (float)

1306 GFLOPS

46.56 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

Blackcomb

Meso LE (216-0864046)

GPU Variant

Blackcomb XT (216-0811000)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

1.7 billion

125 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5

Shader Model

5.0

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