AMD Radeon R7 M380 vs ATI Mobility Radeon HD 3870

VS

AMD Radeon R7 M380 ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M380 and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M380 's Advantages

Released 6 years and 11 months late

Boost Clock915MHz

320 additional rendering cores

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M380 +177%

1.171 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon R7 M380

VS

Mobility Radeon HD 3870

Graphics Card

May 2015

Release Date

Jun 2008

Gem System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

915 MHz

Boost Clock

-

1000 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

54.40GB/s

Render Config

-

SM Count

-

10

Compute Units

4

640

Shading Units

320

40

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

14.64 GPixel/s

Pixel Rate

10.56 GPixel/s

36.60 GTexel/s

Texture Rate

10.56 GTexel/s

-

FP16 (half)

-

1171 GFLOPS

FP32 (float)

422.4 GFLOPS

73.20 GFLOPS

FP64 (double)

84.48 GFLOPS

Graphics Processor

Tropo

GPU Name

M88

Tropo XT

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.666 billion

123 mm²

Die Size

192 mm²

Board Design

Unknown

TDP

55W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

N/A

1.2.170

Vulkan

N/A

-

CUDA

-

6.5 (5.1)

Shader Model

4.1

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