AMD Radeon R5 A220 vs AMD Radeon HD 7870M

VS

AMD Radeon R5 A220

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A220 and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A220 's Advantages

Released 1 years and 9 months late

Lower TDP (35W vs 45W)

AMD Radeon HD 7870M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A220

0.248 TFLOPS

Radeon HD 7870M +312%

1.024 TFLOPS

Radeon R5 A220

VS

Radeon HD 7870M

Graphics Card

Jan 2014

Release Date

Apr 2012

All-In-One

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

10

-

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

12.80 GPixel/s

6.200 GTexel/s

Texture Rate

32.00 GTexel/s

-

248.0 GFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Board Design

35W

TDP

45W

-

1x DVI 1x HDMI 1.3a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

Heathrow

Caicos XT (215-0804070)

GPU Variant

Heathrow XT (216-0835033)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.5 billion

67 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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