AMD Radeon RX 550X vs AMD Radeon RX Vega 64 Limited Edition

VS

AMD Radeon RX 550X

AMD Radeon RX Vega 64 Limited Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 8GB VRAM Radeon RX Vega 64 Limited Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 1 years and 4 months late

Lower TDP (50W vs 295W)

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Boost Clock has increased by 31% (1546MHz vs 1183MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (483.8GB/s vs 96.00GB/s)

3584 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X

1.211 TFLOPS

Radeon RX Vega 64 Limited Edition +945%

12.66 TFLOPS

Radeon RX 550X

VS

Radeon RX Vega 64 Limited Edition

Graphics Card

Dec 2018

Release Date

Aug 2017

Polaris

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1100 MHz

Base Clock

1247 MHz

1183 MHz

Boost Clock

1546 MHz

1500 MHz

Memory Clock

945 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

2048bit

96.00GB/s

Bandwidth

483.8GB/s

Render Config

8

Compute Units

64

-

512

Shading Units

4096

32

TMUs

256

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

98.94 GPixel/s

37.86 GTexel/s

Texture Rate

395.8 GTexel/s

1211 GFLOPS

FP16 (half)

25.33 TFLOPS

1211 GFLOPS

FP32 (float)

12.66 TFLOPS

75.71 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

50W

TDP

295W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

2x 8-pin

Graphics Processor

Lexa

GPU Name

Vega 10

Lexa PRO (215-0904018)

GPU Variant

Vega 10 XT (215-0894200)

GCN 4.0

Architecture

GCN 5.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

12.5 billion

103 mm²

Die Size

495 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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