AMD Radeon R9 M385X vs AMD Radeon 625 Mobile

VS

AMD Radeon R9 M385X

AMD Radeon 625 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM Radeon 625 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Boost Clock has increased by 7% (1100MHz vs 1024MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

512 additional rendering cores

AMD Radeon 625 Mobile 's Advantages

Released 4 years late

Score

Benchmark

FP32 (float)

Radeon R9 M385X +150%

1.971 TFLOPS

Radeon 625 Mobile

0.786 TFLOPS

Radeon R9 M385X

VS

Radeon 625 Mobile

Graphics Card

May 2015

Release Date

May 2019

Gem System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

730 MHz

1100 MHz

Boost Clock

1024 MHz

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

6

-

896

Shading Units

384

56

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

8.192 GPixel/s

61.60 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

1.971 TFLOPS

FP32 (float)

786.4 GFLOPS

123.2 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Polaris 24

Strato XT

GPU Variant

Polaris 24 XT (216-0867030)

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.55 billion

160 mm²

Die Size

125 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.3

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