ATI Mobility Radeon HD 2700 vs AMD Radeon HD 8870M

VS

ATI Mobility Radeon HD 2700

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Released 5 years and 4 months late

Boost Clock775MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 22.40GB/s)

520 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700

0.168 TFLOPS

Radeon HD 8870M +490%

0.992 TFLOPS

Mobility Radeon HD 2700

VS

Radeon HD 8870M

Graphics Card

Dec 2007

Release Date

Apr 2013

M7x

Generation

Solar System

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

775 MHz

700 MHz

Memory Clock

1125 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

72.00GB/s

Render Config

3

Compute Units

10

-

120

Shading Units

640

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

12.40 GPixel/s

5.600 GTexel/s

Texture Rate

31.00 GTexel/s

-

168.0 GFLOPS

FP32 (float)

992.0 GFLOPS

-

FP64 (double)

62.00 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M76

GPU Name

Venus

-

GPU Variant

Venus XT (216-0846000)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

1.5 billion

153 mm²

Die Size

123 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.0

Shader Model

6.5 (5.1)

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