NVIDIA DGX Spark (MediaTek AHJ11488B) vs AMD Radeon RX 6800 3456SP
GPU Specs Compare
General Parameters
Release Date
Oct 2025
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Type
Laptop
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Core Architecture
N1X
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Integrated Graphics
GB20B "Blackwell"
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Generation
RTX Spark (GB10 (N1X))
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Package
Manufacturing Process
3 nm
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Power Consumption
140 W
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Foundry
TSMC
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Die Size
208 mm²
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Package
FC-BGA
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CPU Performance
Performance Core Base Frequency
2.8 GHz
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Performance Core Turbo Frequency
4 GHz
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Efficiency Core Base Frequency
1.5 GHz
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Efficiency Core Turbo Frequency
2.8 GHz
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Total Core Count
20
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Total Thread Count
20
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Bus Frequency
100 MHz
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Multiplier
28.0
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L1 Cache
128 KB per core
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L2 Cache
2 MB per core
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L3 Cache
8 MB shared
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Unlocked Multiplier
No
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SMP
1
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Memory Parameters
Memory Types
LPDDR5X-8533
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Max Memory Channels
4
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Max Memory Bandwidth
273.1 GB/s
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ECC Memory Support
No
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Miscellaneous
PCIe Version
0
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Graphics Card
Release Date
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Unknown
Generation
-
Navi II
Type
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Desktop
Bus Interface
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PCIe 4.0 x16
Clock Speeds
Base Clock
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1700 MHz
Boost Clock
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2250 MHz
Memory Clock
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2000 MHz
Memory
Memory Size
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16GB
Memory Type
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GDDR6
Memory Bus
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256bit
Bandwidth
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512.0GB/s
Render Config
Compute Units
-
54
Shading Units
-
3456
TMUs
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216
ROPs
-
96
RT Cores
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54
L1 Cache
-
128 KB per Array
L2 Cache
-
4 MB
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
-
216.0 GPixel/s
Texture Rate
-
486.0 GTexel/s
FP16 (half)
-
31.10 TFLOPS
FP32 (float)
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15.55 TFLOPS
FP64 (double)
-
972.0 GFLOPS
Graphics Processor
GPU Name
-
Navi 21
GPU Variant
-
Navi 21 ES(215-121000066)
Architecture
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RDNA 2.0
Foundry
-
TSMC
Process Size
-
7 nm
Transistors
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26.8 billion
Die Size
-
520 mm²
Board Design
TDP
-
250W
Suggested PSU
-
600 W
Outputs
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1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
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2x 8-pin
Graphics Features
DirectX
-
12 Ultimate (12_2)
OpenGL
-
4.6
OpenCL
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2.1
Vulkan
-
1.3
Shader Model
-
6.8