Intel Core i7-3820 vs Core i7-3770S

Intel Core i7-3820
Intel Core i7-3770S

General info

Comparing Core i7-3820 and Core i7-3770S processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
13.42
 
6.75
Type
Desktop
 
Desktop
Achitecture codename
Sandy Bridge-E
 
Ivy Bridge
Release date
on February 2012
 
on April 2012
Launch price (MSRP)
$400
 
$330
Price now
$200
 
$394

Technical specs

Core i7-3820 and Core i7-3770S quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Core i7-3820 and Core i7-3770S performance, but for precise assessment you have to consider their test results.
Number of cores
4
 
4
Number of threads
8
 
8
Maximum frequency
3.8 GHz
 
3.9 GHz
L1 cache
64 KB (per core)
 
64 KB (per core)
L2 cache
256 KB (per core)
 
256 KB (per core)
L3 cache
10240 KB (shared)
 
8192 KB (shared)
Manufacturing process technology
32 nm
 
22 nm
Die size
294 mm2
 
160 mm2
Maximum core temperature
67 °C
 
69 °C
Maximum case temperature (TCase)
67 °C
 
69 °C
Transistor count
1270 million
 
1400 million
64 bit support
+
 
+
VID voltage range
0.6V – 1.35V
 
n/d

Compatibility

Information on Core i7-3820 and Core i7-3770S compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
1
 
1
Socket
FCLGA2011
 
FCLGA1155
Power consumption (TDP)
130 Watt
 
65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and Core i7-3770S. You'll probably need this information if you require some particular technology.
Instruction set extensions
Intel® SSE4.2, Intel® AVX
 
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI
+
 
+
AVX
+
 
+
vPro
-
 
+
Enhanced SpeedStep (EIST)
+
 
+
Turbo Boost
2.0
 
2.0
Hyper-Threading
+
 
+
Idle States
+
 
+
Thermal Monitoring
+
 
+
Smart Response
+
 
n/d
Demand Based Switching
-
 
n/d
FDI
n/d
 
+

Security technologies

Core i7-3820 and Core i7-3770S technologies aimed at raising security, for example, by protecting against hacks.
TXT
-
 
+
EDB
+
 
+
Secure Key
n/d
 
+
Identity Protection
+
 
+
Anti-Theft
n/d
 
+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820 and Core i7-3770S are enumerated here.
VT-d
+
 
+
VT-x
+
 
+
EPT
+
 
+

Memory specs

Types, maximum amount and channel number of RAM supported by Core i7-3820 and Core i7-3770S.
Supported memory types
DDR3-1066, DDR3-1333, DDR3-1600
 
DDR3-1333, DDR3-1600
Maximum memory size
64.23 GB
 
32 GB
Max memory channels
4
 
2
Maximum memory bandwidth
51.2 GB / s
 
25.6 GB / s

Graphics specifications

General parameters of GPUs integrated into Core i7-3820 and Core i7-3770S.
Integrated graphics
n/d
 
Intel HD 4000
Quick Sync
-
 
+
Clear Video HD
n/d
 
+
Graphics max frequency
n/d
 
1.15 GHz
InTru 3D
n/d
 
+

Graphics interfaces

Available interfaces and connections of Core i7-3820 and Core i7-3770S integrated GPUs.
Number of displays supported
n/d
 
3

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and Core i7-3770S.
PCIe revision
2.0
 
3.0
Max number of PCIe lanes
40
 
n/d

Benchmark performance

Non-gaming benchmarks performance of Core i7-3820 and Core i7-3770S. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

i7-3820 18.74 +1%
i7-3770S 18.56

Passmark

i7-3820 8987 +1%
i7-3770S 8901

3DMark Fire Strike Physics

i7-3820 6240
i7-3770S 7470 +19.7%

Mining hashrates

Cryptocurrency mining performance of Core i7-3820 and Core i7-3770S. Usually measured in megahashes per second.
Bitcoin / BTC (SHA256)
5.8 Mh/s +0%
 
5.8 Mh/s +0%

Gaming performance

Let's see how good Core i7-3820 and Core i7-3770S are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Advantages of Intel Core i7-3820

1% faster in synthetic tests

Advantages of Intel Core i7-3770S

Cheaper ($330 vs $400)
Finer manufacturing process technology (22 vs 32 nm)
Less power hungry (65 vs 130 watts)
TXT (Trusted Execution Technology - protects the system against viruses and rootkits residing in BIOS or in a boot sector)
QuickSyncVideo

So, Core i7-3820 or Core i7-3770S?

Technical City couldn't decide between Intel Core i7-3820 and Intel Core i7-3770S. The differences in performance seem too small.
Should you still have questions on choice between Core i7-3820 and Core i7-3770S, ask them in Comments section, and we shall answer.

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