AMD Radeon RX 550X vs NVIDIA GeForce GTS 450

VS

AMD Radeon RX 550X

NVIDIA GeForce GTS 450

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 1024MB VRAM GeForce GTS 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 8 years and 3 months late

Boost Clock1183MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 57.73GB/s)

320 additional rendering cores

Lower TDP (50W vs 106W)

Score

Benchmark

FP32 (float)

Radeon RX 550X +101%

1.211 TFLOPS

GeForce GTS 450

0.601 TFLOPS

Radeon RX 550X

VS

GeForce GTS 450

Graphics Card

Dec 2018

Release Date

Sep 2010

Polaris

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1500 MHz

Memory Clock

902 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

57.73GB/s

Render Config

8

Compute Units

-

SM Count

4

512

Shading Units

192

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

6.264 GPixel/s

37.86 GTexel/s

Texture Rate

25.06 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

601.3 GFLOPS

75.71 GFLOPS

FP64 (double)

50.11 GFLOPS

Board Design

50W

TDP

106W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

1x 6-pin

Graphics Processor

Lexa

GPU Name

GF106

Lexa PRO (215-0904018)

GPU Variant

GF106-250-KA-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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