Intel Core i7 4770 vs 3820

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Intel Core i7 4770

Intel Core i7 3820

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Reasons to consider the
Intel Core i7 4770

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Has a built-in GPU

Yes

Somewhat common; A separate graphics adapter is not required

Supports trusted computing

Yes

Somewhat common; Allows for safer, more reliable computing

Reasons to consider the
Intel Core i7 3820

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Is unlocked

Yes

Somewhat common; An unlocked multiplier allows for easier overclocking

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4770

1.65 fps

Core i7 3820

0.76 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4770

13,342

Core i7 3820

12,538

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 4770

3,514

Core i7 3820

3,098

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4770

4,500,000 MB/s

Core i7 3820

2,500,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 4770

13,074

Core i7 3820

12,550

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 4770

14,063

Core i7 3820

13,644

PassMark Data courtesy Passmark

Core i7 4770

9,523

Core i7 3820

8,998

PassMark (Single Core)

Core i7 4770

2,029

Core i7 3820

1,943

summary	Core i7 4770	3820
Clock speed	3.4 GHz	3.6 GHz
Turbo clock speed	3.9 GHz	3.8 GHz
Cores	Quad core	Quad core
Is unlocked	No	Yes
features
Has a NX bit	Yes	Yes
Supports trusted computing	Yes	No
Has virtualization support	Yes	Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling	Yes	Yes
power consumption
TDP	84W	130W
Annual home energy cost	20.24 $/year	49.49 $/year
Annual commercial energy cost	73.58 $/year	138.93 $/year
Performance per watt	10.41 pt/W	6.18 pt/W
Typical power consumption	68.25W	139.6W
bus
Architecture	DMI 2.0	DMI 2.0
Number of links	0	1
Transfer rate	5,000 MT/s	5,000 MT/s

details	Core i7 4770	3820
Architecture	x86-64	x86-64
Threads	8	8
L2 cache	1 MB	1 MB
L2 cache per core	0.25 MB/core	0.25 MB/core
L3 cache	8 MB	10 MB
L3 cache per core	2 MB/core	2.5 MB/core
Manufacture process	22 nm	32 nm
Max CPUs	1	1
Operating temperature	Unknown - 72.72°C	Unknown - 66.8°C
overclocking
Overclocked clock speed	3.85 GHz	4.68 GHz
Overclocked clock speed (Water)	4.01 GHz	4.71 GHz
PassMark (Overclocked)	3,086.9	5,531.8
Overclocked clock speed (Air)	3.85 GHz	4.68 GHz
integrated graphics
GPU	GPU	None
Label	Intel® HD Graphics 4600	N/A
Number of displays supported	3	N/A
GPU clock speed	350 MHz	N/A
Turbo clock speed	1,200 MHz	N/A
memory controller
Memory controller	Built-in	Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels	Dual Channel	Quad Channel
Supports ECC	No	No
Maximum bandwidth	25,600 MB/s	51,200 MB/s
Maximum memory size	32,768 MB	65,771.52 MB

Intel Core i7 4770

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Intel Core i7 3820

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Intel Core i7 4770 vs 3820