Product Compare

AMD Radeon RX 6600 XT vs NVIDIA DGX Spark (MediaTek AHJ11488B)

GPU GPU
Graphics Card
Release Date Jul 2021
Generation Navi II
Type Desktop
Bus Interface PCIe 4.0 x8
Clock Speeds
Base Clock 1968 MHz
Boost Clock 2589 MHz
Memory Clock 2000 MHz
Memory
Memory Size 8GB
Memory Type GDDR6
Memory Bus 128bit
Bandwidth 256.0GB/s
Render Config
Compute Units 32
Shading Units 2048
TMUs 128
ROPs 64
RT Cores 32
L1 Cache 128 KB per Array
L2 Cache 2 MB
L3 Cache 32 MB
Theoretical Performance
Pixel Rate 165.7 GPixel/s
Texture Rate 331.4 GTexel/s
FP16 (half) 21.21 TFLOPS
FP32 (float) 10.60 TFLOPS
FP64 (double) 662.8 GFLOPS
Graphics Processor
GPU Name Navi 23
GPU Variant Navi 23 XT(215-130000006)
Architecture RDNA 2.0
Foundry TSMC
Process Size 7 nm
Transistors 11.06 billion
Die Size 237 mm²
Board Design
TDP 160W
Suggested PSU 450 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors 1x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2)
OpenGL 4.6
OpenCL 2.1
Vulkan 1.3
Shader Model 6.7
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