NVIDIA GeForce GTX 680M vs AMD Radeon RX 550X Mobile

VS

NVIDIA GeForce GTX 680M

AMD Radeon RX 550X Mobile

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 2GB VRAM Radeon RX 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 48.00GB/s)

704 additional rendering cores

AMD Radeon RX 550X Mobile 's Advantages

Released 5 years and 10 months late

Boost Clock has increased by 55% (1176MHz vs 758MHz)

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +35%

2.038 TFLOPS

Radeon RX 550X Mobile

1.505 TFLOPS

GeForce GTX 680M

VS

Radeon RX 550X Mobile

Graphics Card

Jun 2012

Release Date

Apr 2018

GeForce 600M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

719 MHz

Base Clock

1100 MHz

758 MHz

Boost Clock

1176 MHz

900 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

1344

Shading Units

640

112

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

18.82 GPixel/s

84.90 GTexel/s

Texture Rate

47.04 GTexel/s

-

FP16 (half)

1.505 TFLOPS

2.038 TFLOPS

FP32 (float)

1.505 TFLOPS

84.90 GFLOPS

FP64 (double)

94.08 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

Polaris 23

N13E-GTX-A2

GPU Variant

Polaris 23 MXT

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

3.54 billion

Transistors

2.2 billion

294 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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