AMD Radeon R9 A375 vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon R9 A375 ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 A375 and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 A375 's Advantages

Released 6 years and 4 months late

Boost Clock925MHz

Larger VRAM bandwidth (72.00GB/s vs 54.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 A375 +207%

1.299 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon R9 A375

VS

Mobility Radeon HD 3870 X2

Graphics Card

Jan 2015

Release Date

Sep 2008

All-In-One

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1125 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/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

16.24 GPixel/s

Pixel Rate

10.56 GPixel/s

40.60 GTexel/s

Texture Rate

10.56 GTexel/s

-

FP16 (half)

-

1299 GFLOPS

FP32 (float)

422.4 GFLOPS

-

FP64 (double)

84.48 GFLOPS

Graphics Processor

Venus

GPU Name

M88

Venus XTX (216-0846033)

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

110W

-

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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