GE CT Scanner Comparison Chart

Model	Discovery CT750 HD	LightSpeed VCT	LightSpeed VCT Select	LightSpeed RT16	BrightSpeed Elite	BrightSpeed Elite Select	Revolution Apex	Revolution CT	Revolution Fronteir Gen 2	Revolution EVO Gen 3	Revolution Maxima	Discovery RT Gen 2	Optima CT540	Optima CT520	CardioGraphe	CT 580W	BRIVO CT325	QX/I	Lightspeed Plus	Revolution Apex Elite	Revolution Apex Plus	Revolution Apex Select	Revolution Frontier Gen 3	Revolution Ascend	Discovery CT590 RT	Optima CT580 RT
Detectors, type	Gemstone scintillator	HiLight ceramic v-res	HiLight ceramic matrix 3	HiLight ceramic matrix II	HiLight ceramic matrix II	HiLight ceramic matrix II	Gemstone scintillator	Gemstone scintillator	Gemstone scintillator	Clarity DAS	Clarity DAS	HiLight Ceramic Matrix II	HiLight Ceramic Matrix II	HiLight Ceramic Matrix II	High speed ceramic	Gemstone scintillator	Gemstone scintillator	Gemstone scintillator	HiLight ceramic scintillator	Gemstone scintillator	Gemstone scintillator	Gemstone scintillator	Gemstone scintillator	Clarity Detector and Data Acquisition system	Solid-state	Solid-state
Slice count	64	64	64	16	16	16	256	64	64	64	64	16	16	16	192	192	192	128	16	256	128	64	64	64	16	16
Gantry dimensions, H x W x D (cm)	188.2 x 222.5 x 100.6	188.2 x 222.5 x 100.6	188.2 x 222.5 x 100.6	189 x 223 x 101	193 x 206 x 102	193 x 204 x 102	200.5 x 236.5 x 143.6	200.5 x 236.5 x 143.6	189.5 x 226.7 x 100.7	193 x 205 x 103.9	193 x 204 x 101	199.2 x 243.9 x 100.6	193 x 204 x 102	193 x 205 x 194.4	180 x 179 x 80	188.2 x 222.5 x 100.6	178.4 x 222.5 x 100.6	188.2 x 222.5 x 100.6	189 x 223 x 101	202.95 x 133.1 x 229.36	202.95 x 133.1 x 229.36	202.95 x 133.1 x 229.36	189.5 x 226.7 x 100.7	193 x 215 x 104	442 x 695 x 100.6	442 x 670.6 x 100
Gantry weight (kg)	1850	1995	1995	1920	1770	1770	2,876	2,876	2,086	1,820	1,600	1,765	1,770	1,716	1,645	295	295	295	1,500	2798.7	2798.7	2798.7	2,086	1,805	1850	1820
Gantry aperture (cm)	70	70	70	80	70	70	80	80	70	70	70	80	70	70	60	80	70	70	70	80	80	80	70	75	80	90
Heat storage, HU	8,000,000	8,000,000	8,000,000	8,000,000	6,300,000	6,300,000	33,000,000 (equivalent value compared to conventional tube performance)	6,800,000	8,000,000	7,000,000 (39,000,000 equivalent with ASiR-V)	7,000,000 (39,000,000 equivalent with ASiR-V)	8,000,000	6,300,000 (8,000,000 equivalent with ASiR	3,500,000 (6,300,000 equivalent with ASiR	3,050,000	3,050,000	3,050,000	2,700,000	6,300,000	33	33	33	8,000,000	7 MHU (50 MHU equivalent with ASIR-V, based on 72kW system)	8	8
Tube Cooling	Oil/Air	Oil/Air	Oil/Air	Oil/Air	Oil/Air	Oil/Air	Oil/air	Oil/air	Oil/air	Oil/air	Oil/air	Oil/air	Oil/air	Oil/air	Oil/air	Oil/air	Oil/air	Air	Air	Oil/Air	Oil/Air	Oil/Air	Oil/Air	Oil/Air	Oil/Air	Oil/Air
kW output	100	72, 85 or 100	100	100	53.2	42	108	103	100	72	72	100	53.2	42	72kW, effective 139kW (equivalent value compared to conventional scanner geometry)	100	100	120	120	108	108	108	100	55 (410 kW equivalent with ASIR-V); 72 (510 kW equivalent with ASIR-V)	100	53
mA Range	10 to 835	10 to 600, 700 or 800	10 to 800	10 to 800	10 to 440	10 to 350	10 to 1300	10 to 740	10 to 835	10 to 560	80, 100, 120, 140	10 to 800	10 to 440	10 to 350	50 -to 600, effective 100 to 1160 (equivalent value compared to conventional scanner geometry)	10 to 835	200	10 to 835	40 to 1200	10 to 1,300	10 to 1,301	10 to 1,302	10 to 835	10 to 560 for 72kW system, 10 to 460 for 55kW system	10 to 800 in 5 mA increments	80, 100, 120, 140
Max scan volume, (cm)	170 (200 option)	170 (200 option)	170 (200 option)	170 (200 option)	170	140	200	200	200	200	200	170	173	160	140 - axial	170	170	170	160	50 x 50 x 50	70 x 70 x 70	60 x 60 x 60	80 x 80 x 80	75 x 75 x 75	170	170
Max load capacity with accuracy (lbs)	227	227	227	227	227	205	227	227	227	227	227	227	227	205	227	295	200	425	450	227-306	227-306	227-306	227	227	650	500
Scan FOVs, (cm)	25, 50	25, 50	25, 50	10 to 50	25, 50	25, 50	25, 50	25, 50	25, 50	25, 50	25, 50	25, 50 (10-80cm DFOV)	25, 50	25, 50	25cm/16cm CTA, 35 cm Scout	25, 50	30	50	40	25, 50, extended to 80 (MaxFOV, option)	25, 50, extended to 80 (MaxFOV, option)	25, 50, extended to 80 (MaxFOV, option)	25,50	25, 50 extended to 75 cm with MaxFOV 2	50, 65 effective	50, 65 effective
Reconstruction matrices	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512, 1,024 X 1,024	512 x 512	512 x 512, 1,024 X 1,024	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512	512 x 512	100 x100	1,024*1,024	1,024*1,025	1,024*1,026	512 x 512, 1,024 X 1,024	512 x 512, 1024X1024	512	512
Dose-modulation technique	3D	3D	3D	3D	3D	3D	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	N/A	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Suggested room size (m2)	34.2	34.2	34.2	28	18.2	18.2	28.6	28.6	28.6	25.2	25.2	22.6	23	22.1	15	34.2	34.2	34.2	30	28.6	28.6	28.6	28.6	Over 18 for scan room	28 (48 optimal)	29 (48 optimal)
kVp Range	40 to 140	40 to 140	40 to 140	40 to 140	80 to 140	50 to 140	70 to 140	80 to 140	60 to 140	60 to 140	70 to 140	80 to 140	70 to 140	70 to 140	70 to 140	70 to 140	70 to 140	80 to 140	80 to 140	70 to 150	70 to 150	80 to 140	80 to 150	60 to 150	80,100,120,135	60 to 120