AMD Radeon RX 550X Mobile vs AMD Radeon 680M
GPU · Specs Compare
Graphics Card
Release Date
Apr 2018
Jan 2022
Generation
Mobility Radeon
Navi II IGP
Type
Mobile
Integrated
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Clock Speeds
Base Clock
1100 MHz
2000 MHz
Boost Clock
1176 MHz
2200 MHz
Memory Clock
1500 MHz
System Shared
Memory
Memory Size
2GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
64bit
System Shared
Bandwidth
48.00GB/s
System Dependent
Render Config
Compute Units
10
12
Shading Units
640
768
TMUs
40
48
ROPs
16
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
—
12
Theoretical Performance
Pixel Rate
18.82 GPixel/s
70.40 GPixel/s
Texture Rate
47.04 GTexel/s
105.6 GTexel/s
FP16 (half)
1.505 TFLOPS
6.758 TFLOPS
FP32 (float)
1.505 TFLOPS
3.379 TFLOPS
FP64 (double)
94.08 GFLOPS
211.2 GFLOPS
Graphics Processor
GPU Name
Polaris 23
Rembrandt
GPU Variant
Polaris 23 MXT
—
Architecture
GCN 4.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
6 nm
Transistors
2.2 billion
13.1 billion
Die Size
103 mm²
208 mm²
Board Design
TDP
50W
50W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.3
Shader Model
6.4
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.