AMD Radeon R5 M315 vs ATI Mobility Radeon HD 4870 X2

VS

AMD Radeon R5 M315

ATI Mobility Radeon HD 4870 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M315 and 1024MB VRAM Mobility Radeon HD 4870 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 4 months late

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 14.40GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M315

0.745 TFLOPS

Mobility Radeon HD 4870 X2 +18%

0.88 TFLOPS

Radeon R5 M315

VS

Mobility Radeon HD 4870 X2

Graphics Card

May 2015

Release Date

Jan 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

89.60GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

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

8.800 GPixel/s

23.28 GTexel/s

Texture Rate

22.00 GTexel/s

745.0 GFLOPS

FP16 (half)

-

745.0 GFLOPS

FP32 (float)

880.0 GFLOPS

46.56 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

M98

Meso LE (216-0864046)

GPU Variant

M98 XT L2 (216-0732023)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.956 billion

125 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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