AMD Radeon E8860 vs AMD Radeon HD 7870M

VS

AMD Radeon E8860

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 2GB VRAM Radeon E8860 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 E8860 's Advantages

Released 1 years and 9 months late

Boost Clock625MHz

Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)

Lower TDP (37W vs 45W)

Score

Benchmark

FP32 (float)

Radeon E8860

0.8 TFLOPS

Radeon HD 7870M +28%

1.024 TFLOPS

Radeon E8860

VS

Radeon HD 7870M

Graphics Card

Jan 2014

Release Date

Apr 2012

Embedded

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

10

-

640

Shading Units

640

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

12.80 GPixel/s

25.00 GTexel/s

Texture Rate

32.00 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1024 GFLOPS

50.00 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

37W

TDP

45W

-

1x VGA

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Venus

GPU Name

Heathrow

Venus MCM

GPU Variant

Heathrow XT (216-0835033)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.5 billion

123 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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