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AMD Radeon RX 550 Mobile

Lexa
Graphics Processor
640
Cores
40
TMUs
16
ROPs
2048 MB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
AMD Lexa Photo
The Radeon RX 550 Mobile is a graphics card by AMD, launched in July 2017. Built on the 14 nm process, and based on the Lexa graphics processor, in its Lexa PRO variant, the card supports DirectX 12.0. The Lexa graphics processor is an average sized chip with a die area of 103 mm². It features 640 shading units, 40 texture mapping units and 16 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 1100 MHz, which can be boosted up to 1287 MHz, memory is running at 1500 MHz.
We recommend the AMD Radeon RX 550 Mobile for gaming with highest details at resolutions up to, and including, 1680x1050.
Being a igp card, the AMD Radeon RX 550 Mobile does not require any additional power connector, its power draw is rated at 50 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Radeon RX 550 Mobile is connected to the rest of the system using a PCI-Express 3.0 x8 interface.

Graphics Processor

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

Graphics Card

Released
Jul 2nd, 2017
Production Status
Active
Bus Interface
PCIe 3.0 x8

Relative Performance

5%
6%
7%
10%
11%
12%
15%
19%
19%
21%
22%
23%
26%
28%
30%
31%
32%
33%
35%
37%
38%
39%
40%
46%
47%
47%
48%
48%
49%
49%
52%
54%
55%
57%
58%
58%
59%
59%
59%
60%
63%
65%
69%
71%
71%
74%
74%
76%
81%
84%
84%
86%
86%
89%
91%
91%
93%
97%
99%
100%
Radeon RX 550 Mobile
101%
101%
101%
101%
109%
110%
113%
114%
115%
116%
116%
118%
118%
122%
131%
134%
138%
139%
140%
141%
145%
148%
152%
156%
158%
158%
175%
192%
195%
208%
209%
212%
215%
217%
218%
219%
221%
222%
225%
242%
245%
245%
248%
271%
277%
290%
300%
329%
341%
372%
372%
387%
453%
464%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
1100 MHz
Boost Clock
1287 MHz
Memory Clock
1500 MHz
6000 MHz effective

Memory

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

Render Config

Shading Units
640
TMUs
40
ROPs
16
Compute Units
10

Theoretical Performance

Pixel Rate
20.59 GPixel/s
Texture Rate
51.48 GTexel/s
FP16 (half) performance
1,647 GFLOPS (1:1)
FP32 (float) performance
1,647 GFLOPS
FP64 (double) performance
103.0 GFLOPS (1:16)

Board Design

Slot Width
IGP
TDP
50 W
Outputs
No outputs
Power Connectors
None

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.5
OpenCL
2.0
Vulkan
1.1.78
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
ROCm Support