NVIDIA GeForce GT 550M vs ATI Mobility Radeon HD 4870

VS

NVIDIA GeForce GT 550M

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 550M and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 550M 's Advantages

Released 2 years late

More VRAM (1024GB vs 512GB)

ATI Mobility Radeon HD 4870 's Advantages

Larger VRAM bandwidth (56.83GB/s vs 28.80GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 550M

0.284 TFLOPS

Mobility Radeon HD 4870 +209%

0.88 TFLOPS

GeForce GT 550M

VS

Mobility Radeon HD 4870

Graphics Card

Jan 2011

Release Date

Jan 2009

GeForce 500M

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

888 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

56.83GB/s

Render Config

-

Compute Units

10

2

SM Count

-

96

Shading Units

800

16

TMUs

40

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.960 GPixel/s

Pixel Rate

8.800 GPixel/s

11.84 GTexel/s

Texture Rate

22.00 GTexel/s

-

284.2 GFLOPS

FP32 (float)

880.0 GFLOPS

23.68 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GF108

GPU Name

M98

N12P-GT1-A1

GPU Variant

M98 XT L2 (216-0732023)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.585 billion

Transistors

0.956 billion

116 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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