AMD Radeon E8870 vs AMD Radeon 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Apr 2018
Generation
Embedded
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x8
Clock Speeds
Memory Clock
1500 MHz
1500 MHz
Base Clock
-
1100 MHz
Boost Clock
-
1287 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
64bit
Bandwidth
96.00GB/s
48.00GB/s
Render Config
Compute Units
12
10
Shading Units
768
640
TMUs
48
40
ROPs
16
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
20.59 GPixel/s
Texture Rate
48.00 GTexel/s
51.48 GTexel/s
FP32 (float)
1.536 TFLOPS
1.647 TFLOPS
FP64 (double)
96.00 GFLOPS
103.0 GFLOPS
FP16 (half)
-
1.647 TFLOPS
Graphics Processor
GPU Name
Saturn
Polaris 23
GPU Variant
Saturn PRO
Polaris 23 MXT
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.08 billion
2.2 billion
Die Size
160 mm²
103 mm²
Board Design
TDP
75W
50W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4