AMD Radeon R5 M315 vs ATI Mobility Radeon HD 4670 Mac Edition

VS

AMD Radeon R5 M315

ATI Mobility Radeon HD 4670 Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M315 and 256MB VRAM Mobility Radeon HD 4670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M315 's Advantages

Released 5 years and 8 months late

More VRAM (2GB vs 256GB)

64 additional rendering cores

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 M315 +71%

0.745 TFLOPS

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon R5 M315

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

May 2015

Release Date

Sep 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

790 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

25.28GB/s

Render Config

6

Compute Units

4

-

384

Shading Units

320

24

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.760 GPixel/s

Pixel Rate

5.440 GPixel/s

23.28 GTexel/s

Texture Rate

21.76 GTexel/s

745.0 GFLOPS

FP16 (half)

-

745.0 GFLOPS

FP32 (float)

435.2 GFLOPS

46.56 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

M96

Meso LE (216-0864046)

GPU Variant

M96 XT (216-0729051)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.514 billion

125 mm²

Die Size

146 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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