AMD Radeon RX 550X vs NVIDIA GeForce GTX 950 Low Power

VS

AMD Radeon RX 550X

NVIDIA GeForce GTX 950 Low Power

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 2GB VRAM GeForce GTX 950 Low Power to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 2 years and 9 months late

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 75W)

NVIDIA GeForce GTX 950 Low Power 's Advantages

Boost Clock has increased by 1% (1190MHz vs 1183MHz)

Larger VRAM bandwidth (105.8GB/s vs 96.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

GeForce GTX 950 Low Power +50%

1.828 TFLOPS

Radeon RX 550X

VS

GeForce GTX 950 Low Power

Graphics Card

Dec 2018

Release Date

Mar 2016

Polaris

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

1026 MHz

1183 MHz

Boost Clock

1190 MHz

1500 MHz

Memory Clock

1653 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

105.8GB/s

Render Config

8

Compute Units

-

512

Shading Units

768

32

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

38.08 GPixel/s

37.86 GTexel/s

Texture Rate

57.12 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

1.828 TFLOPS

75.71 GFLOPS

FP64 (double)

57.12 GFLOPS

Board Design

50W

TDP

75W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

GM206

Lexa PRO (215-0904018)

GPU Variant

GM206-251-A1

GCN 4.0

Architecture

Maxwell 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.94 billion

103 mm²

Die Size

228 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.4

Shader Model

6.4

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