AMD Radeon R5 M315 vs ATI Mobility Radeon HD 3850 X2

VS

AMD Radeon R5 M315

ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M315 and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M315 's Advantages

Released 6 years and 11 months late

More VRAM (2GB vs 512GB)

64 additional rendering cores

ATI Mobility Radeon HD 3850 X2 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 M315 +100%

0.745 TFLOPS

Mobility Radeon HD 3850 X2

0.371 TFLOPS

Radeon R5 M315

VS

Mobility Radeon HD 3850 X2

Graphics Card

May 2015

Release Date

Jun 2008

Gem System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

48.00GB/s

Render Config

6

Compute Units

4

-

384

Shading Units

320

24

TMUs

16

8

ROPs

16

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.760 GPixel/s

Pixel Rate

9.280 GPixel/s

23.28 GTexel/s

Texture Rate

9.280 GTexel/s

745.0 GFLOPS

FP16 (half)

-

745.0 GFLOPS

FP32 (float)

371.2 GFLOPS

46.56 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

Unknown

TDP

70W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

M88

Meso LE (216-0864046)

GPU Variant

-

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.666 billion

125 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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