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Sapphire PULSE RX 550
11268-03-20G

Lexa
Graphics Processor
512
Cores
32
TMUs
16
ROPs
2048 MB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
Sapphire PULSE RX 550 Photo AMD Lexa Photo

Graphics Processor

GPU Name
Lexa
GPU Variant
Lexa PRO
(215-0904018)
Architecture
GCN 4.0
Process Size
14 nm
Transistors
2,200 million
Die Size
103 mm²

Graphics Card

Release Date
Apr 20th, 2017
Generation
Polaris
(RX 500)
Production
Active
Bus Interface
PCIe 3.0 x8

Clock Speeds

GPU Clock
1100 MHz
Boost Clock
1183 MHz
1206 MHz (+2%)
Memory Clock
1750 MHz
7000 MHz effective

Memory

Memory Size
2048 MB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
112.0 GB/s

Render Config

Shading Units
512
TMUs
32
ROPs
16
Compute Units
8

Theoretical Performance

Pixel Rate
18.93 GPixel/s
19.30 GPixel/s
Texture Rate
37.86 GTexel/s
38.59 GTexel/s
FP16 (half) performance
1,211 GFLOPS
1,235 GFLOPS (1:1)
FP32 (float) performance
1,211 GFLOPS
1,235 GFLOPS
FP64 (double) performance
75.71 GFLOPS
77.18 GFLOPS (1:16)

Board Design

Slot Width
Dual-slot
Single-slot
Length
5.7 inches
6.22 inches
145 mm
158 mm
TDP
50 W
Outputs
1x DVI
1x HDMI
1x DisplayPort
Power Connectors
None
Board Number
D090-01

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.5
OpenCL
2.0
Vulkan
1.1.82
Shader Model
6.0

Lexa GPU Notes

Chip Variant: Polaris 12
Graphics/Compute: GFX8 (gfx804)
Display Core Engine: 11.2
Unified Video Decoder: 6.3
Video Compression Engine: 3.4

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Name GPU Clock Boost Clock Memory Clock Other Changes
ASRock Phantom Gaming RX 550 1100 MHz 1183 MHz 1500 MHz 6.68 inches/170 mm
ASRock Phantom Gaming RX 550 4 GB 1100 MHz 1183 MHz 1500 MHz 4096 MB, 6.68 inches/170 mm
ASUS RX 550 Single Fan 1100 MHz 1183 MHz 1750 MHz
ASUS RX 550 Single Fan 4 GB 1100 MHz 1183 MHz 1750 MHz 4096 MB
BIOSTAR RX 550 1100 MHz 1183 MHz 1750 MHz
ColorFire RX 550 Armor 1100 MHz 1183 MHz 1750 MHz
ColorFire RX 550 Armor 4 GB 1100 MHz 1183 MHz 1750 MHz 4096 MB
ColorFire RX 550 Defender 1100 MHz 1183 MHz 1750 MHz 4096 MB
Dataland RX 550 Dual Cool 1100 MHz 1190 MHz 1750 MHz 8.31 inches/211 mm
Dataland RX 550 Dual Cool 4 GB 1100 MHz 1183 MHz 1500 MHz 4096 MB, 8.31 inches/211 mm
Dataland RX 550 Super 1100 MHz 1190 MHz 1750 MHz 5.9 inches/150 mm
GIGABYTE RX 550 1100 MHz 1183 MHz 1750 MHz 6.69 inches/170 mm
GIGABYTE RX 550 GAMING OC 1100 MHz 1206 MHz 1750 MHz 7.52 inches/191 mm
HIS RX 550 GREEN iCooler OC 1100 MHz 1203 MHz 1750 MHz
HIS RX 550 GREEN iCooler OC 4 GB 1100 MHz 1203 MHz 1750 MHz 4096 MB
HIS RX 550 GREEN Slim-iCooler OC 1100 MHz 1203 MHz 1750 MHz Single-slot
HIS RX 550 GREEN Slim-iCooler OC 4 GB 1100 MHz 1203 MHz 1750 MHz 4096 MB, Single-slot
KUROTOSHIKOU RX 550 1100 MHz 1183 MHz 1750 MHz 8.86 inches/225 mm
KUROTOSHIKOU RX 550 Short 1100 MHz 1190 MHz 1750 MHz
MAXSUN RX 550 Transformer 1100 MHz 1183 MHz 1750 MHz 7.17 inches/182 mm
MAXSUN RX 550 Transformer M.2 1100 MHz 1183 MHz 1750 MHz
MAXSUN RX 550 Transformer M.3 1100 MHz 1183 MHz 1750 MHz
MSI RX 550 AERO ITX 1100 MHz 1183 MHz 1750 MHz 6.1 inches/155 mm
MSI RX 550 AERO ITX 4 GB 1100 MHz 1183 MHz 1750 MHz 4096 MB
MSI RX 550 AERO ITX OC 1100 MHz 1183 MHz 1750 MHz
MSI RX 550 AERO ITX OC 4 GB 1100 MHz 1203 MHz 1750 MHz 4096 MB
MSI RX 550 Low Profile OC 1100 MHz 1203 MHz 1750 MHz 6.7 inches/170 mm
PowerColor Red Dragon RX 550 1100 MHz 1190 MHz 1750 MHz 8.86 inches/225 mm
PowerColor Red Dragon RX 550 4 GB 1100 MHz 1190 MHz 1750 MHz
PowerColor Red Dragon RX 550 V2 1100 MHz 1190 MHz 1750 MHz
Sapphire PULSE RX 550 1100 MHz 1206 MHz 1750 MHz 6.22 inches/158 mm, Single-slot
Sapphire PULSE RX 550 4 GB 1100 MHz 1206 MHz 1750 MHz 4096 MB, 6.22 inches/158 mm, Single-slot
Sapphire RX 550 Low Profile 4 GB 1100 MHz 1206 MHz 1750 MHz 4096 MB, 7.09 inches/180 mm
XFX RX 550 Low Profile OC 1100 MHz 1203 MHz 1750 MHz 7.01 inches/178 mm
XFX RX 550 Low Profile OC 4 GB 1100 MHz 1203 MHz 1750 MHz 4096 MB, 7.01 inches/178 mm
XFX RX 550 OC 1100 MHz 1203 MHz 1750 MHz 6.69 inches/170 mm
XFX RX 550 OC 4 GB 1100 MHz 1203 MHz 1750 MHz 4096 MB, 6.69 inches/170 mm
XFX RX 550 Single Slot OC 1100 MHz 1203 MHz 1750 MHz 6.69 inches/170 mm, Single-slot
XFX RX 550 Single Slot OC 4 GB 1100 MHz 1203 MHz 1750 MHz 4096 MB, 6.69 inches/170 mm, Single-slot
Yeston RX 550 GAEA 1100 MHz 1183 MHz 1750 MHz 4096 MB, 8.78 inches/223 mm
Yeston RX 550 Speed Edition 1100 MHz 1183 MHz 1750 MHz 4096 MB, 5.71 inches/145 mm