AMD Radeon HD 8870M vs NVIDIA GeForce GT 555M

VS

AMD Radeon HD 8870M

NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 2GB VRAM GeForce GT 555M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Released 1 years and 1 months late

Boost Clock775MHz

Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)

496 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M +155%

0.992 TFLOPS

GeForce GT 555M

0.389 TFLOPS

Radeon HD 8870M

VS

GeForce GT 555M

Graphics Card

Apr 2013

Release Date

Mar 2012

Solar System

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

725 MHz

Base Clock

-

775 MHz

Boost Clock

-

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

-

SM Count

2

640

Shading Units

144

40

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

2.700 GPixel/s

31.00 GTexel/s

Texture Rate

16.20 GTexel/s

-

992.0 GFLOPS

FP32 (float)

388.8 GFLOPS

62.00 GFLOPS

FP64 (double)

32.40 GFLOPS

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

GF116

Venus XT (216-0846000)

GPU Variant

N12E-GE2-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.17 billion

123 mm²

Die Size

238 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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