NVIDIA DGX Spark (MediaTek AHJ11488B) vs AMD Radeon 550X Mobile
GPU Specs Compare
General Parameters
Release Date
Oct 2025
-
Type
Laptop
-
Core Architecture
N1X
-
Integrated Graphics
GB20B "Blackwell"
-
Generation
RTX Spark (GB10 (N1X))
-
Package
Manufacturing Process
3 nm
-
Power Consumption
140 W
-
Foundry
TSMC
-
Die Size
208 mm²
-
Package
FC-BGA
-
CPU Performance
Performance Core Base Frequency
2.8 GHz
-
Performance Core Turbo Frequency
4 GHz
-
Efficiency Core Base Frequency
1.5 GHz
-
Efficiency Core Turbo Frequency
2.8 GHz
-
Total Core Count
20
-
Total Thread Count
20
-
Bus Frequency
100 MHz
-
Multiplier
28.0
-
L1 Cache
128 KB per core
-
L2 Cache
2 MB per core
-
L3 Cache
8 MB shared
-
Unlocked Multiplier
No
-
SMP
1
-
Memory Parameters
Memory Types
LPDDR5X-8533
-
Max Memory Channels
4
-
Max Memory Bandwidth
273.1 GB/s
-
ECC Memory Support
No
-
Miscellaneous
PCIe Version
0
-
Graphics Card
Release Date
-
Apr 2018
Generation
-
Mobility Radeon
Type
-
Mobile
Bus Interface
-
PCIe 3.0 x8
Clock Speeds
Base Clock
-
1100 MHz
Boost Clock
-
1287 MHz
Memory Clock
-
1500 MHz
Memory
Memory Size
-
4GB
Memory Type
-
GDDR5
Memory Bus
-
64bit
Bandwidth
-
48.00GB/s
Render Config
Compute Units
-
10
Shading Units
-
640
TMUs
-
40
ROPs
-
16
L1 Cache
-
16 KB (per CU)
L2 Cache
-
256 KB
Theoretical Performance
Pixel Rate
-
20.59 GPixel/s
Texture Rate
-
51.48 GTexel/s
FP16 (half)
-
1.647 TFLOPS
FP32 (float)
-
1.647 TFLOPS
FP64 (double)
-
103.0 GFLOPS
Graphics Processor
GPU Name
-
Polaris 23
GPU Variant
-
Polaris 23 MXT
Architecture
-
GCN 4.0
Foundry
-
GlobalFoundries
Process Size
-
14 nm
Transistors
-
2.2 billion
Die Size
-
103 mm²
Board Design
TDP
-
50W
Outputs
-
No outputs
Power Connectors
-
None
Graphics Features
DirectX
-
12 (12_0)
OpenGL
-
4.6
OpenCL
-
2.1
Vulkan
-
1.2
Shader Model
-
6.4