AMD Radeon HD 8550M vs NVIDIA GeForce GTX 660M

VS

AMD Radeon HD 8550M

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8550M and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8550M 's Advantages

Released 2 years and 4 months late

NVIDIA GeForce GTX 660M 's Advantages

Boost Clock has increased by 12% (950MHz vs 850MHz)

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550M

0.544 TFLOPS

GeForce GTX 660M +34%

0.73 TFLOPS

Radeon HD 8550M

VS

GeForce GTX 660M

Graphics Card

Jul 2014

Release Date

Mar 2012

Solar System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

650 MHz

Base Clock

835 MHz

850 MHz

Boost Clock

950 MHz

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

5

Compute Units

-

320

Shading Units

384

20

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

7.600 GPixel/s

17.00 GTexel/s

Texture Rate

30.40 GTexel/s

-

544.0 GFLOPS

FP32 (float)

729.6 GFLOPS

34.00 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GK107

Sun S3 LE (216-0841036)

GPU Variant

N13E-GE-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.27 billion

56 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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