AMD Radeon RX 550 Mobile vs AMD Radeon R9 270X
GPU Specs Compare
Graphics Card
Release Date
Jul 2017
Oct 2013
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1100 MHz
1000 MHz
Boost Clock
1287 MHz
1050 MHz
Memory Clock
1500 MHz
1400 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
179.2GB/s
Render Config
Compute Units
10
20
Shading Units
640
1280
TMUs
40
80
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
20.59 GPixel/s
33.60 GPixel/s
Texture Rate
51.48 GTexel/s
84.00 GTexel/s
FP16 (half)
1.647 TFLOPS
-
FP32 (float)
1.647 TFLOPS
2.688 TFLOPS
FP64 (double)
103.0 GFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
Lexa
Curacao
GPU Variant
Lexa PRO(215-0904018)
Curacao XT(215-0848004)
Architecture
GCN 4.0
GCN 1.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
2.2 billion
2.8 billion
Die Size
103 mm²
212 mm²
Board Design
TDP
50W
180W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1
📊 Benchmark
3DMark Time Spy
-
1,769