GE PET/CT Comparison Chart

Model/product name	Discovery LS	Discovery ST	Discovery STE	Discovery 690	Discovery 610	Discovery VCT 64	Discovery 710	Discovery RX	Discovery IQ	Discovery MI	Discovery MI DR	Discovery IQ Gen 2	Omni Legend 32	Omni Legend 16	Discovery MI Gen 2
FDA-cleared, year	2003	2005	2005	2007	2008	2008	2009	2011	2014	2015	2017	2019	2022	2022	2021
Gantry dimensions, H x W x D, (cm)	208.3 x 235 x 205	193 x 230 x 109	235 x 205 x 193	193 x 230 x 226	193 x 225 x 146	235 x 205 x 193	193 x 225 x 146	193 x 230 x 226	193 x 225 x 162	95 x 79 x 150	95 x 79 x 150	202 x 79 x 150	196x234x170	197x234x170	195x224x156
Weight, (kg)	5,050	3,800	3,800	4,225	4,996	3,800	4,996	4,225	5,262	5,000	6,000	3,000	3,208	3,209	3,612
Power requirements, PET/CT	90 kVA max, 25 kVA average	90 kVA max, 25 kVA average	90 kVA max, 25 kVA average	90 kVA max, 30 kVA average	150 kVA max, 30 kVA average	90 kVA max, 25 kVA average	150 kVA max, 30 kVA average	90 kVA max, 30 kVA average	90 kVA max, 30 kVA average	25 kVA average	25 kVA average	30 kVA average	100 kVA max, 30 kVA average	100 kVA max, 30 kVA average	100 kVA max, 30 kVA average
Heat load	6.3 MHU	6.3 MHU	6.3 MHU	8.0 MHU	6.3 MHU	6.3 MHU	6.3 MHU	8.0 MHU	6.3 MHU, 8 MHU equ with ASiR	12MHU	12MHU	–	5.0 MHU	5.0 MHU	5.0 MHU
Gantry cooling	Air cooled	Air cooled	Air cooled	Water cooled	Air cooled	Air cooled	Air cooled	Water cooled	Air cooled	Water cooled	Water/glycol cooled	Water/glycol cooled	Liquid cooled	Liquid cooled	Liquid cooled
Patient port (cm)	70	70	70	70	70	70	70	70	70	70	70	70	70	70	70
Transmission source	GE-68 pin source	GE-68 pin source	Ge-68	GE-68 pin source	CT attenuation correction	GE-68	PET VCAR	GE-68 pin source	CT attenuation correction	GE-68 pin source	Tungsten source	GE-68	CT attenuation correction	CT attenuation correction	CT attenuation correction
Install time	2-3 weeks	2-3 weeks	2-3 weeks	3-4 days	10 days	2-3 weeks	10 days	3-4 days	10 days	3-5 days	3-5 days	3-5 days	10 days	10 days	10 days
Vertical travel, (cm)	53-101	53-102	56-103	53-101	2.5 to 20.5 below isocenter	53-101	2 scan range	53-101	0.8 to 20.5 below isocenter	53-101	53-101	53-101	6-205mm below isocenter	6-205mm below isocenter	6-205mm below isocenter
Patient scan range, (cm)	160	160	160	200	170 – 200	160	170 – 200	200	170 – 200	200	200	200	170 -200	170 -200	170 -200
Horizontal speed, (mm/sec)	100	100	100	5 to 55	100	100	100	5 to 55	100	5 to 55	5 to 55	5 to 55	137	137	100
Maximum patient weight, (kg)	180	180	180	227	226	227	226	227	226	227	227	227	226	226	226

updated 4.7.25