AMD Radeon 550X Mobile vs NVIDIA GeForce GTX 675MX Mac Edition

VS

AMD Radeon 550X Mobile NVIDIA GeForce GTX 675MX Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 1024MB VRAM GeForce GTX 675MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 5 years late

Boost Clock1287MHz

More VRAM (4GB vs 1GB)

Lower TDP (50W vs 100W)

NVIDIA GeForce GTX 675MX Mac Edition 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 48.00GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X Mobile

1.647 TFLOPS

GeForce GTX 675MX Mac Edition +17%

1.933 TFLOPS

Radeon 550X Mobile

VS

GeForce GTX 675MX Mac Edition

Graphics Card

Apr 2018

Release Date

Apr 2013

Mobility Radeon

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

1344

40

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

20.13 GPixel/s

51.48 GTexel/s

Texture Rate

80.53 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

1.933 TFLOPS

103.0 GFLOPS

FP64 (double)

80.53 GFLOPS

Graphics Processor

Polaris 23

GPU Name

GK104

Polaris 23 MXT

GPU Variant

N13E-GSR-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

3.54 billion

103 mm²

Die Size

294 mm²

Board Design

50W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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