OnpremBench.aiby Understand.tech

Same chip, different box

NVIDIA DGX Spark vs Lenovo ThinkStation PGX

Memory, bandwidth, software stack, price and the models each one can hold. Generated from the two sourced machine records; estimates are labelled.

Add a third machine
NVIDIA DGX Spark
NVIDIA GB10

NVIDIA DGX Spark

128 GB unified

Open the record
Lenovo ThinkStation PGX
NVIDIA GB10

Lenovo ThinkStation PGX

128 GB unified

Open the record

What actually differs

Which models fit

Estimate · 4-bit · 8K context · 1 request
ModelNVIDIA DGX SparkLenovo ThinkStation PGX
Llama 3.1 8BFits 16 GB≤ 48 tok/sFits 16 GB≤ 48 tok/s
Qwen3 14BFits 20 GB≤ 28 tok/sFits 20 GB≤ 28 tok/s
Qwen3 32BFits 32 GB≤ 13 tok/sFits 32 GB≤ 13 tok/s
Llama 3.3 70BFits 54 GB≤ 6.3 tok/sFits 54 GB≤ 6.3 tok/s
gpt-oss-20b (MoE)Fits 23 GB≤ 110 tok/sFits 23 GB≤ 110 tok/s
gpt-oss-120b (MoE)Fits 80 GB≤ 77 tok/sFits 80 GB≤ 77 tok/s
Qwen3 235B-A22B (MoE)Too large 151 GBToo large 151 GB
DeepSeek V3 / R1 671B (MoE, MLA)Too large 408 GBToo large 408 GB

Speed is a memory-bandwidth ceiling for one request, not a measured result. Change context, users or precision in the finder

Specifications

Sourced and dated
NVIDIA DGX SparkLenovo ThinkStation PGX
Chip / acceleratorGB10 Grace Blackwell SuperchipGB10 Grace Blackwell Superchip
PlatformNVIDIA GB10NVIDIA GB10
Model memory128 GB unified128 GB unified
Memory bandwidth273 GB/s273 GB/s
Software stackCUDACUDA
Operating systemNVIDIA DGX OSNVIDIA DGX OS
Storage4 TB NVMeUp to 4 TB
Networking10 GbE · ConnectX-7 · Wi-Fi 7Confirm selected configuration
Form factorDesktop AI systemDesktop AI system
Dimensions150 × 150 × 50.5 mmConfirm selected configuration
Weight1.2 kgNot verified
Power rating (not consumption)240 W adapter · 140 W SoC TDP240 W external adapter
Supplier list price≈ $4.7k · Supplier list price · United States · Sept 2026Price from the manufacturer · No public list price · manufacturer page
AvailabilityListed for order · recheck with supplierCheck regional availability
Model configurations in the Lab66
Setups in the Lab55
Record reviewed2026-09-132026-09-07

Sources: NVIDIA · Lenovo. Prices are supplier snapshots, not a live feed.

Before you choose

NVIDIA DGX Spark

  • Memory capacity does not establish interactive speed or simultaneous request capacity.
  • UT has documented a Spark deployment. Confirm exact software versions and support scope.

Lenovo ThinkStation PGX

  • Specifications vary by configured SKU and region.
  • Managed deployment through UT needs a compatibility and support review.
Own one of these? A measured run (model revision, runtime, context, tokens per second) is worth more than this whole page. Publish it.