NVIDIA RTX Spark (MediaTek AHJ11488B) vs NVIDIA RTX A4000H

GPU Specs Compare

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
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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
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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 2021
Generation
-
Quadro Ampere
Type
-
Desktop
Bus Interface
-
PCIe 4.0 x16

Clock Speeds

Base Clock
-
735 MHz
Boost Clock
-
1560 MHz
Memory Clock
-
1750 MHz

Memory

Memory Size
-
16GB
Memory Type
-
GDDR6
Memory Bus
-
256bit
Bandwidth
-
448.0GB/s

Render Config

SM Count
-
48
Shading Units
-
6144
TMUs
-
192
ROPs
-
96
Tensor Cores
-
192
RT Cores
-
48
L1 Cache
-
128 KB (per SM)
L2 Cache
-
4 MB

Theoretical Performance

Pixel Rate
-
149.8 GPixel/s
Texture Rate
-
299.5 GTexel/s
FP16 (half)
-
19.17 TFLOPS
FP32 (float)
-
19.17 TFLOPS
FP64 (double)
-
299.5 GFLOPS

Graphics Processor

GPU Name
-
GA104
GPU Variant
-
GA104-???-A1
Architecture
-
Ampere
Foundry
-
Samsung
Process Size
-
8 nm
Transistors
-
17.4 billion
Die Size
-
392 mm²

Board Design

TDP
-
140W
Suggested PSU
-
300 W
Outputs
-
4x DisplayPort 1.4a
Power Connectors
-
1x 6-pin

Graphics Features

DirectX
-
12 Ultimate (12_2)
OpenGL
-
4.6
OpenCL
-
3.0
Vulkan
-
1.3
CUDA
-
8.6
Shader Model
-
6.7