AMD Radeon HD 8550M vs NVIDIA GeForce 945A

VS

AMD Radeon HD 8550M

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8550M and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Released 8 months late

Boost Clock has increased by 40% (1189MHz vs 850MHz)

Larger VRAM bandwidth (40.10GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550M

0.544 TFLOPS

GeForce 945A +67%

0.913 TFLOPS

Radeon HD 8550M

VS

GeForce 945A

Graphics Card

Jul 2014

Release Date

Mar 2015

Solar System

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

650 MHz

Base Clock

1006 MHz

850 MHz

Boost Clock

1189 MHz

900 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

40.10GB/s

Render Config

5

Compute Units

-

320

Shading Units

384

20

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

9.512 GPixel/s

17.00 GTexel/s

Texture Rate

28.54 GTexel/s

-

544.0 GFLOPS

FP32 (float)

913.2 GFLOPS

34.00 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

GM108

Sun S3 LE (216-0841036)

GPU Variant

-

GCN 1.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

Unknown

56 mm²

Die Size

Unknown

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

1.3

-

CUDA

5.0

6.5 (5.1)

Shader Model

5.1

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