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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

1 of 30 fields comparable

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NVIDIA GeForce RTX 4090 Founders EditionNVIDIA DGX Spark
MSRP (USD)
1,599
4,699
SpecNVIDIA GeForce RTX 4090 Founders EditionNVIDIA DGX Spark
MSRP (USD)↓ better1,5994,699
Bandwidth GB S1,008—
Budget Ceiling USD2,000—
Compute Capability Digits89—
CPU Breakdown—10x Arm Cortex-X925 + 10x Arm Cortex-A725
CPU Cores Total—20
Dimensions MM—150 x 150 x 50.5
Ethernet—1x 10 GbE RJ-45
FP4 Pflops Sparse—1
Gb10 TDP Watts—140
GPU Arch—Blackwell, 5th-gen Tensor Cores, 4th-gen RT Cores
Launch Price USD—3,999
Memory bandwidth (GB/s)—273
Memory Interface BIT—256
Memory type—LPDDR5X
NIC—ConnectX-7 @ 200 Gbps
Price Change Effective—2026-02-23
Production END Reported2024-10—
PSU Watts—240
RTX 4090 Model4,090—
RTX 5090 Model5,090—
Statusdiscontinued (no longer sold new by NVIDIA)—
Status Checked2026-09-24—
Storage—4TB NVMe M.2 self-encrypting
Superchip—NVIDIA GB10 Grace Blackwell
TDP (W)↓ better450—
Unified Memory GB—128
VRAM (GB)24—
Weight KG—1.2
Wireless—Wi-Fi 7, Bluetooth 5.4