AMD Radeon R5 M315 vs AMD Radeon HD 7850M

VS

AMD Radeon R5 M315

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M315 and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M315 's Advantages

Released 3 years and 1 months late

AMD Radeon HD 7850M 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M315

0.745 TFLOPS

Radeon HD 7850M +15%

0.864 TFLOPS

Radeon R5 M315

VS

Radeon HD 7850M

Graphics Card

May 2015

Release Date

Apr 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

640

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.760 GPixel/s

Pixel Rate

10.80 GPixel/s

23.28 GTexel/s

Texture Rate

27.00 GTexel/s

745.0 GFLOPS

FP16 (half)

-

745.0 GFLOPS

FP32 (float)

864.0 GFLOPS

46.56 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

Unknown

TDP

40W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

Heathrow

Meso LE (216-0864046)

GPU Variant

Heathrow PRO

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.5 billion

125 mm²

Die Size

123 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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