NVIDIA DGX Spark (MediaTek AHJ11488B) vs AMD Radeon RX 460 Mobile
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
-
Aug 2016
Generation
-
Mobility Radeon
Type
-
Mobile
Bus Interface
-
MXM-B (3.0)
Clock Speeds
Base Clock
-
1000 MHz
Boost Clock
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1180 MHz
Memory Clock
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1250 MHz
Memory
Memory Size
-
4GB
Memory Type
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GDDR5
Memory Bus
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128bit
Bandwidth
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80.00GB/s
Render Config
Compute Units
-
14
Shading Units
-
896
TMUs
-
56
ROPs
-
16
L1 Cache
-
16 KB (per CU)
L2 Cache
-
1024 KB
Theoretical Performance
Pixel Rate
-
18.88 GPixel/s
Texture Rate
-
66.08 GTexel/s
FP16 (half)
-
2.115 TFLOPS
FP32 (float)
-
2.115 TFLOPS
FP64 (double)
-
132.2 GFLOPS
Graphics Processor
GPU Name
-
Baffin
GPU Variant
-
Baffin XT
Architecture
-
GCN 4.0
Foundry
-
GlobalFoundries
Process Size
-
14 nm
Transistors
-
3 billion
Die Size
-
123 mm²
Board Design
TDP
-
55W
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