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

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

Rig A

NVIDIA · workstation

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Rig B

NVIDIA · gpu

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1 of 43 fields comparable

Spec	NVIDIA DGX Spark	NVIDIA GeForce RTX 5090 Founders Edition
MSRP (USD)↓ better	4,699	1,999
AI Tops	—	3,352
Bandwidth GB S	—	1,792
Base Clock GHZ	—	2.01
Boost Clock GHZ	—	2.41
CPU Breakdown	10x Arm Cortex-X925 + 10x Arm Cortex-A725	—
CPU Cores Total	20	—
Cuda Cores	—	21,760
Dimensions MM	150 x 150 x 50.5	—
Displayport Count	—	3
Displayport Version	—	2.1b
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	—
Hdmi Count	—	1
Hdmi Version	—	2.1b
Length MM	—	304
Memory bandwidth (GB/s)	273	—
Memory BUS Bits	—	512
Memory Interface BIT	256	—
Memory type	LPDDR5X	—
NIC	ConnectX-7 @ 200 Gbps	—
Nvdec Count	—	2
Nvdec GEN	—	6
Nvenc Count	—	3
Nvenc GEN	—	9
Pcie GEN	—	5
PSU Watts	240	—
Required PSU Watts	—	1,000
RT Core Tflops	—	318
RT Cores GEN	—	4
Slot Width	—	2
Storage	4TB NVMe M.2 self-encrypting	—
Superchip	NVIDIA GB10 Grace Blackwell	—
TDP (W)↓ better	—	575
Tensor Cores GEN	—	5
Unified Memory GB	128	—
VRAM (GB)	—	32
Vram Type	—	GDDR7
Weight KG	1.2	—
Width MM	—	137
Wireless	Wi-Fi 7, Bluetooth 5.4	—