ATI Mobility Radeon HD 4650 vs NVIDIA GeForce GT 550M

VS

ATI Mobility Radeon HD 4650

NVIDIA GeForce GT 550M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4650 and 1024MB VRAM GeForce GT 550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4650 's Advantages

224 additional rendering cores

NVIDIA GeForce GT 550M 's Advantages

Released 2 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 19.20GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4650 +12%

0.32 TFLOPS

GeForce GT 550M

0.284 TFLOPS

Mobility Radeon HD 4650

VS

GeForce GT 550M

Graphics Card

Jan 2009

Release Date

Jan 2011

M9x

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

128bit

Memory Bus

128bit

19.20GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

96

32

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

2.960 GPixel/s

16.00 GTexel/s

Texture Rate

11.84 GTexel/s

-

320.0 GFLOPS

FP32 (float)

284.2 GFLOPS

-

FP64 (double)

23.68 GFLOPS

Board Design

35W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GF108

-

GPU Variant

N12P-GT1-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.585 billion

146 mm²

Die Size

116 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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