AMD Radeon 550X Mobile vs NVIDIA GeForce GT 445M

VS

AMD Radeon 550X Mobile

NVIDIA GeForce GT 445M

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 1024MB VRAM GeForce GT 445M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 7 years and 7 months late

Boost Clock1287MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (48.00GB/s vs 40.00GB/s)

496 additional rendering cores

NVIDIA GeForce GT 445M 's Advantages

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +402%

1.647 TFLOPS

GeForce GT 445M

0.328 TFLOPS

Radeon 550X Mobile

VS

GeForce GT 445M

Graphics Card

Apr 2018

Release Date

Sep 2010

Mobility Radeon

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

625 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

40.00GB/s

Render Config

10

Compute Units

-

SM Count

3

640

Shading Units

144

40

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

3.420 GPixel/s

51.48 GTexel/s

Texture Rate

13.68 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

328.3 GFLOPS

103.0 GFLOPS

FP64 (double)

27.36 GFLOPS

Board Design

50W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

GF106

Polaris 23 MXT

GPU Variant

N11E-GE-A1

GCN 4.0

Architecture

Fermi

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

1.17 billion

103 mm²

Die Size

238 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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