AMD Radeon 550X Mobile vs AMD Radeon R7 265X OEM
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Aug 2014
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1100 MHz
900 MHz
Boost Clock
1287 MHz
925 MHz
Memory Clock
1500 MHz
1400 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
48.00GB/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
256 KB
512 KB
Theoretical Performance
Pixel Rate
20.59 GPixel/s
29.60 GPixel/s
Texture Rate
51.48 GTexel/s
74.00 GTexel/s
FP16 (half)
1.647 TFLOPS
-
FP32 (float)
1.647 TFLOPS
2.368 TFLOPS
FP64 (double)
103.0 GFLOPS
148.0 GFLOPS
Graphics Processor
GPU Name
Polaris 23
Curacao
GPU Variant
Polaris 23 MXT
Curacao PRO(215-0848000)
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
150W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 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