ATI Mobility Radeon HD 3870 vs AMD Radeon R5 A220

VS

ATI Mobility Radeon HD 3870 AMD Radeon R5 A220

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 1024MB VRAM Radeon R5 A220 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 14.40GB/s)

160 additional rendering cores

AMD Radeon R5 A220 's Advantages

Released 5 years and 7 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 55W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870 +70%

0.422 TFLOPS

Radeon R5 A220

0.248 TFLOPS

Mobility Radeon HD 3870

VS

Radeon R5 A220

Graphics Card

Jun 2008

Release Date

Jan 2014

M8x

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

54.40GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

4

Compute Units

2

320

Shading Units

160

16

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

10.56 GPixel/s

Pixel Rate

3.100 GPixel/s

10.56 GTexel/s

Texture Rate

6.200 GTexel/s

-

FP16 (half)

-

422.4 GFLOPS

FP32 (float)

248.0 GFLOPS

84.48 GFLOPS

FP64 (double)

-

Graphics Processor

M88

GPU Name

Caicos

-

GPU Variant

Caicos XT (215-0804070)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.37 billion

192 mm²

Die Size

67 mm²

Board Design

55W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

1x DVI 1x HDMI 1.3a

-

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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