Product Compare

AMD Radeon R9 M290X vs NVIDIA RTX Spark (MediaTek AHJ11488B)

GPU GPU
Graphics Card
Release Date Jan 2014
Generation Gem System
Type Mobile
Bus Interface PCIe 3.0 x16
Clock Speeds
Base Clock 850 MHz
Boost Clock 900 MHz
Memory Clock 1200 MHz
Memory
Memory Size 4GB
Memory Type GDDR5
Memory Bus 256bit
Bandwidth 153.6GB/s
Render Config
Compute Units 20
Shading Units 1280
TMUs 80
ROPs 32
L1 Cache 16 KB (per CU)
L2 Cache 512 KB
Theoretical Performance
Pixel Rate 28.80 GPixel/s
Texture Rate 72.00 GTexel/s
FP32 (float) 2.304 TFLOPS
FP64 (double) 144.0 GFLOPS
Graphics Processor
GPU Name Neptune
GPU Variant Neptune XT(216-0847000)
Architecture GCN 1.0
Foundry TSMC
Process Size 28 nm
Transistors 2.8 billion
Die Size 212 mm²
Board Design
TDP 100W
Outputs Portable Device Dependent
Power Connectors None
Graphics Features
DirectX 12 (11_1)
OpenGL 4.6
OpenCL 2.1 (1.2)
Vulkan 1.2.170
Shader Model 6.5 (5.1)
General Parameters
Release Date Jan 2026
Type Laptop
Core Architecture N1X
Integrated Graphics GB20B "Blackwell"
Generation Spark (GB10)
Package
Manufacturing Process 3 nm
Power Consumption 64 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 1500 MHz
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