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NVIDIA Jetson AGX Thor T5000 128GB vs NVIDIA DGX Spark

Side-by-side specifications, performance, and rental pricing for datacenter AI workloads.

Jetson AGX Thor: Blackwell, 2025 DGX Spark: Grace Blackwell, 2025
Memory
128 vs 128 GB
Same capacity
Bandwidth
273 GB/s vs 273 GB/s
Even
TDP
130 W vs 140 W
Jetson AGX Thor draws 10 W less
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NVIDIA Jetson AGX Thor T5000 128GB vs NVIDIA DGX Spark

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NVIDIA Jetson AGX Thor T5000 128GB

Full specs →

What is the NVIDIA Jetson AGX Thor?

The Jetson AGX Thor is a GPU from NVIDIA on the Blackwell architecture, an accelerator for AI training, inference and high-performance computing. It is a module for embedded and edge systems rather than a card. Jetson AGX Thor full specifications →

Can I rent the Jetson AGX Thor in the cloud?

Flopper is not tracking any live rental listings for the Jetson AGX Thor yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the Jetson AGX Thor compare with other accelerators?

This page sets the Jetson AGX Thor against the DGX Spark. Both parts launched in the same year. Both are NVIDIA parts. Flopper also compares it head to head with the Jetson AGX Thor T4000 64GB and Jetson AGX Orin 64GB, across every published precision, memory and power. Jetson AGX Thor vs Jetson AGX Thor T4000 64GB →

Where do the Jetson AGX Thor figures come from?

Every Jetson AGX Thor figure on this page traces to NVIDIA's own datasheet or specification table. How Flopper verifies specifications →

NVIDIA DGX Spark

Full specs →

What is the NVIDIA DGX Spark?

The DGX Spark is an APU from NVIDIA on the Grace Blackwell architecture, an processor that pairs CPU and GPU on one chip. DGX Spark full specifications →

Can I rent the DGX Spark in the cloud?

Flopper is not tracking any live rental listings for the DGX Spark yet. The provider directory lists the clouds that rent comparable accelerators on demand. GPU cloud providers →

How does the DGX Spark compare with other accelerators?

This page sets the DGX Spark against the Jetson AGX Thor. Both parts launched in the same year. Both are NVIDIA parts. Flopper also compares it head to head with the Ryzen AI Max+ 395 Radeon 8060S (Strix Halo) and M5 Ultra, across every published precision, memory and power. DGX Spark vs Ryzen AI Max+ 395 Radeon 8060S (Strix Halo) →

Where do the DGX Spark figures come from?

Every DGX Spark figure on this page traces to NVIDIA's own datasheet or specification table. How Flopper verifies specifications →

Specifications

Jetson AGX Thor
DGX Spark
Architecture
BlackwellGrace Blackwell
Launch Year
20252025
Form Factor
ModuleDesktop Workstation
Memory
128 GB128 GB
Memory Bandwidth
273 GB/s273 GB/s
TDP
130 W140 W
Process Node
—4nm

Performance (TFLOPS)

Jetson AGX Thor
DGX Spark
No verified data available No verified data available
8.1 TFLOPS No verified data available
No verified data available No verified data available
No verified data available No verified data available
No verified data available No verified data available
517 TFLOPS
1,035 TFLOPS sparse
 No verified data available
FP6
No verified data available No verified data available
1,035 TFLOPS
2,070 TFLOPS sparse
500 TFLOPS
1,000 TFLOPS sparse
517 TOPS
1,035 TOPS sparse
 No verified data available

Figures are dense. Where a vendor publishes a figure it sits under the dense one and never decides a winner. Hover any precision for its definition, or read the GPU glossary.

FLOPS by Precision

What actually differs

Both launched in 2025, the Jetson AGX Thor on Blackwell and the DGX Spark on Grace Blackwell.

Both carry 128 GB of memory. Bandwidth is 273 GB/s against 273 GB/s, which sets the ceiling on decode speed.

Power is 130 W against 140 W, and at FP32 the Jetson AGX Thor does more work per watt. Weight the FP8 and FP16 rows for LLM work and the FP64 row for HPC.

New to the terms? The glossary explains FP32, FP8, FP4, INT8, Sparsity and TFLOPS. For how the generations relate, see NVIDIA architectures explained.

Frequently asked questions

Which should you choose, the Jetson AGX Thor or the DGX Spark?

The Jetson AGX Thor draws 10 W less power, which matters in an air-cooled or power-capped rack.

Which has more memory, the Jetson AGX Thor or the DGX Spark?

Both GPUs carry 128 GB of memory. Memory bandwidth is 273 GB/s for the Jetson AGX Thor and 273 GB/s for the DGX Spark.

How much power do the Jetson AGX Thor and the DGX Spark draw?

The Jetson AGX Thor is rated at 130 W TDP and the DGX Spark at 140 W. On FP32 throughput per watt, the Jetson AGX Thor is the more efficient part.

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