Expanding on my earlier point...
Here's the QB breakdown from last year...
A 13/20, 10/13, 7/10
B 13/20, 10/14, 7/11
C 13/20, 10/13, 7/10
F 13/20, 10/12, 7/9
G 13/19, 10/13, 7/10
H 13/20, 10/12, 7/8
What you are looking at for draft A is 20 QBs selected prior to round 13, 13 QBs selected prior to round 10, and 7 QBs selected prior to round 7.
You'll note that two less QBs were selected in draft H prior to round 7 than in drafts A/B/C.  Last year draft F was active in moving to an earlier draft to select a QB.  You'll see the impact in the draft F numbers.  Here are the specifics.
From draft B
3.09															33.															
Lehrdude (GURU 9B)															Rodgers, Aaron GBP QB															Tue Jul 30 6:35:22 p.m. ET 2013															-															 														4.01															37.															
625James (FS 5A)															Brees, Drew NOS QB															Tue Jul 30 10:39:46 p.m. ET 2013															-															 														4.11															47.															
Jesteva (FS 2B)															Brady, Tom NEP QB															Wed Jul 31 4:36:17 p.m. ET 2013															-															QB (Comments Added Wed Jul 31 5:16:20 p.m. ET 2013)														5.02															50.															
DropkickFluties (FS 9E)															Manning, Peyton DEN QB															Thu Aug 1 6:52:51 a.m. ET 2013															-															 														5.07															55.															
Fumbleweed (FFT 6D)															Newton, Cam CAR QB															Thu Aug 1 1:28:31 p.m. ET 2013															-															Pick made based on Pre-Draft List														5.10															58.															
Little Big Head (FFLW 10A)															Ryan, Matt ATL QB															Thu Aug 1 10:57:01 p.m. ET 2013															-															 														6.01															61.															
Vikings4Ever (FFT 12B)															Stafford, Matthew DET QB															Thu Aug 1 11:13:37 p.m. ET 2013															-															 														6.06															66.															
Wical (SO 11F)															Kaepernick, Colin SFO QB															Fri Aug 2 11:28:44 a.m. ET 2013															-															 														6.08															68.															
Intangibles (FFLW 8B)															Griffin III, Robert WAS QB															Fri Aug 2 1:38:59 p.m. ET 2013															-															 														6.11															71.															
Cuse9 - (FFT 7A)															Romo, Tony DAL QB															Fri Aug 2 5:31:09 p.m. ET 2013															-															Stay healthy and chuck long and chuck it often!!														6.12															72.															
Jay (DFW 1F)															Luck, Andrew IND QB															Fri Aug 2 7:01:08 p.m. ET 2013															-															 														7.03															75.															
Average Joe (GURU 1B)															Wilson, Russell SEA QB															Sat Aug 3 2:12:16 a.m. ET 2013															-															 														8.09															93.															
KSB2424 (FFT 4B)															Manning, Eli NYG QB															Sun Aug 4 10:33:49 a.m. ET 2013															-															Pick made based on Pre-Draft List														9.05															101.															
Cardnl1b (GURU 11A)															Dalton, Andy CIN QB															Sun Aug 4 11:08:20 p.m. ET 2013															-																						4.02															38.															
Cyguy84 (FS 6F)															Rodgers, Aaron GBP QB															Thu Aug 8 8:07:07 a.m. ET 2013															-															 														4.04															40.															
Jcb890 (FS 1E)															Brees, Drew NOS QB															Thu Aug 8 10:12:56 a.m. ET 2013															-															 														4.05															41.															
3rd and Schlong (Hud 10F)															Manning, Peyton DEN QB															Thu Aug 8 10:25:02 a.m. ET 2013															-															 														5.12															60.															
devil's_advocate_oh (FFLW 12F)															Ryan, Matt ATL QB															Sat Aug 10 10:05:04 a.m. ET 2013															-															Pick made based on Pre-Draft List														6.03															63.															
R2000 (FS 4D)															Newton, Cam CAR QB															Sat Aug 10 6:40:03 p.m. ET 2013															-															 														6.04															64.															
Old Milwaukee (FBG 5D)															Stafford, Matthew DET QB															Sat Aug 10 11:10:36 p.m. ET 2013															-															 														6.05															65.															
Matt Mueller (FFT 8F)															Brady, Tom NEP QB															Sun Aug 11 1:10:29 a.m. ET 2013															-															 														6.08															68.															
Deez Nutz (GURU 5F)															Wilson, Russell SEA QB															Sun Aug 11 4:18:28 p.m. ET 2013															-															 														6.11															71.															
MonkeyOne (Hud 2F)															Kaepernick, Colin SFO QB															Mon Aug 12 12:04:48 a.m. ET 2013															-															Pick made based on Pre-Draft List														7.09															81.															
Old Milwaukee (FBG 5D)															Griffin III, Robert WAS QB															Tue Aug 13 8:05:21 a.m. ET 2013															-															 														8.02															86.															
Cyguy84 (FS 6F)															Luck, Andrew IND QB															Tue Aug 13 12:21:12 p.m. ET 2013															-															 														8.06															90.															
Rudnicki (FBG 7F)															Romo, Tony DAL QB															Tue Aug 13 2:38:18 p.m. ET 2013															-															Pick made based on Pre-Draft List															Ruds picked up Romo almost two rounds later.  He almost got Dalton at 11.7, two rounds later.