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Dell RX 550X

Graphics Processor
Lexa
Cores
512
TMUs
32
ROPs
16
Memory Size
4 GB
Memory Type
GDDR5
Bus Width
128 bit
GPU Chip
GPU

Graphics Processor

GPU Name
Lexa
GPU Variant
Lexa PRO
(215-0904018)
Architecture
GCN 4.0
Foundry
GlobalFoundries
Process Size
14 nm
Transistors
2,200 million
Density
21.4M / mm²
Die Size
103 mm²
Chip Package
FCBGA-769

Graphics Card

Release Date
Dec 16th, 2018
Generation
Polaris
(RX 500X)
Predecessor
Polaris
Successor
Vega
Production
End-of-life
Bus Interface
PCIe 3.0 x8

Clock Speeds

Base Clock
1100 MHz
Boost Clock
1183 MHz
Memory Clock
1500 MHz
6 Gbps effective

Memory

Memory Size
4 GB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
96.00 GB/s

Render Config

Shading Units
512
TMUs
32
ROPs
16
Compute Units
8
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

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

Board Design

Slot Width
Dual-slot
TDP
50 W
Suggested PSU
250 W
Outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
Power Connectors
None
Board Number
D090

Graphics Features

DirectX
12 (12_0)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
Shader Model
6.7

Lexa GPU Notes

Generation: Arctic Islands
Codename: Polaris 12
Old Codename: Treasure
Graphics/Compute: GFX8 (gfx804)
Display Core Engine: 11.2
Unified Video Decoder: 6.3
Video Compression Engine: 3.4
System DMA: 3.0.0
CLRX: GCN 1.2.0

Latest Drivers:
Windows 7:
64-bit: AMD Software: Adrenalin Edition 22.6.1
64-bit: Radeon™ Pro Software for Enterprise 21.Q1.1

Windows 8.1:
64-bit: Radeon Software: Crimson ReLive Edition 17.4.4 / 17.7.1

Windows 10 / 11:
64-bit: AMD Software: Adrenalin Edition 24.3.1 (23.19.12)
64-bit: AMD Software: PRO Edition 22.Q4

Other retail boards based on this design (1)

Name GPU Clock Boost Clock Memory Clock Other Changes
Dell RX 550X
1100 MHz 1183 MHz 1500 MHz
Aug 14th, 2024 13:16 EDT change timezone

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