NVIDIA GeForce GTX 950 vs AMD Radeon RX 550X

VS

NVIDIA GeForce GTX 950

AMD Radeon RX 550X

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

Main Differences

NVIDIA GeForce GTX 950 's Advantages

Boost Clock has increased by 0% (1188MHz vs 1183MHz)

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

256 additional rendering cores

AMD Radeon RX 550X 's Advantages

Released 3 years and 4 months late

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 90W)

Score

Benchmark

FP32 (float)

GeForce GTX 950 +50%

1.825 TFLOPS

Radeon RX 550X

1.211 TFLOPS

GeForce GTX 950

VS

Radeon RX 550X

Graphics Card

Aug 2015

Release Date

Dec 2018

GeForce 900

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1024 MHz

Base Clock

1100 MHz

1188 MHz

Boost Clock

1183 MHz

1653 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

105.8GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

8

-

768

Shading Units

512

48

TMUs

32

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

18.93 GPixel/s

57.02 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

1.825 TFLOPS

FP32 (float)

1211 GFLOPS

57.02 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

90W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

GM206

GPU Name

Lexa

GM206-250-A1

GPU Variant

Lexa PRO (215-0904018)

Maxwell 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.94 billion

Transistors

2.2 billion

228 mm²

Die Size

103 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

6.4

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