NVIDIA GeForce GT 555M vs AMD Radeon HD 6830M

VS

NVIDIA GeForce GT 555M

AMD Radeon HD 6830M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 1024MB VRAM Radeon HD 6830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 555M 's Advantages

Released 1 years and 2 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

Lower TDP (35W vs 39W)

AMD Radeon HD 6830M 's Advantages

656 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

Radeon HD 6830M +136%

0.92 TFLOPS

GeForce GT 555M

VS

Radeon HD 6830M

Graphics Card

Mar 2012

Release Date

Jan 2011

GeForce 500M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

10

2

SM Count

-

144

Shading Units

800

24

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

9.200 GPixel/s

16.20 GTexel/s

Texture Rate

23.00 GTexel/s

-

388.8 GFLOPS

FP32 (float)

920.0 GFLOPS

32.40 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

39W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF116

GPU Name

Granville

N12E-GE2-A1

GPU Variant

Granville LP

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

1.04 billion

238 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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