Intel Core i7-3770T vs Intel Core i7-3820

Comparative analysis of Intel Core i7-3770T and Intel Core i7-3820 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i7-3770T

  • CPU is newer: launch date 2 month(s) later
  • Around 4% higher maximum core temperature: 69.8°C vs 66.8°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
  • 2.9x lower typical power consumption: 45 Watt vs 130 Watt
  • Around 5% better performance in PassMark - Single thread mark: 1830 vs 1746
  • Around 65% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.681 vs 4.665
Specifications (specs)
Launch date April 2012 vs February 2012
Maximum core temperature 69.8°C vs 66.8°C
Manufacturing process technology 22 nm vs 32 nm
Thermal Design Power (TDP) 45 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark 1830 vs 1746
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 7.681 vs 4.665

Reasons to consider the Intel Core i7-3820

  • Around 3% higher clock speed: 3.80 GHz vs 3.70 GHz
  • Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 2x more maximum memory size: 64.23 GB vs 32 GB
  • Around 6% better performance in PassMark - CPU mark: 5773 vs 5444
  • Around 12% better performance in Geekbench 4 - Multi-Core: 3163 vs 2820
  • 8.5x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 84.218 vs 9.952
  • 2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.606 vs 0.302
  • Around 23% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.267 vs 1.849
  • Around 75% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.758 vs 3.286
Specifications (specs)
Maximum frequency 3.80 GHz vs 3.70 GHz
L3 cache 10240 KB (shared) vs 8192 KB (shared)
Maximum memory size 64.23 GB vs 32 GB
Benchmarks
PassMark - CPU mark 5773 vs 5444
Geekbench 4 - Single Core 756 vs 754
Geekbench 4 - Multi-Core 3163 vs 2820
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 84.218 vs 9.952
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.606 vs 0.302
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.267 vs 1.849
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 5.758 vs 3.286

Compare benchmarks

CPU 1: Intel Core i7-3770T
CPU 2: Intel Core i7-3820

PassMark - Single thread mark
CPU 1
CPU 2
1830
1746
PassMark - CPU mark
CPU 1
CPU 2
5444
5773
Geekbench 4 - Single Core
CPU 1
CPU 2
754
756
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2820
3163
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
7.681
4.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
9.952
84.218
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.302
0.606
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
1.849
2.267
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
3.286
5.758
Name Intel Core i7-3770T Intel Core i7-3820
PassMark - Single thread mark 1830 1746
PassMark - CPU mark 5444 5773
Geekbench 4 - Single Core 754 756
Geekbench 4 - Multi-Core 2820 3163
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 7.681 4.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 9.952 84.218
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.302 0.606
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.849 2.267
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 3.286 5.758
GFXBench 4.0 - T-Rex (Frames) 2442
GFXBench 4.0 - T-Rex (Fps) 2442
3DMark Fire Strike - Physics Score 3318

Compare specifications (specs)

Intel Core i7-3770T Intel Core i7-3820

Essentials

Architecture codename Ivy Bridge Sandy Bridge E
Launch date April 2012 February 2012
Launch price (MSRP) $330 $400
Place in performance rating 2242 2234
Price now $329.99 $199.99
Processor Number i7-3770T i7-3820
Series Legacy Intel® Core™ Processors Intel® Core™ X-series Processors
Status Discontinued Discontinued
Value for money (0-100) 7.32 13.26
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 2.50 GHz 3.60 GHz
Bus Speed 5 GT/s DMI 5 GT/s DMI2
Die size 160 mm 294 mm
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 8192 KB (shared) 10240 KB (shared)
Manufacturing process technology 22 nm 32 nm
Maximum case temperature (TCase) 70 °C 67 °C
Maximum core temperature 69.8°C 66.8°C
Maximum frequency 3.70 GHz 3.80 GHz
Number of cores 4 4
Number of threads 8 8
Transistor count 1400 million 1270 million
VID voltage range 0.600V – 1.350V

Memory

Max memory channels 2 4
Maximum memory bandwidth 25.6 GB/s 51.2 GB/s
Maximum memory size 32 GB 64.23 GB
Supported memory types DDR3 1333/1600 DDR3 1066/1333/1600

Graphics

Device ID 0x162
Graphics base frequency 650 MHz
Graphics max dynamic frequency 1.15 GHz
Graphics max frequency 1.15 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel® HD Graphics 4000

Graphics interfaces

Number of displays supported 3
Wireless Display (WiDi) support

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm 52.5mm x 45.0mm
Sockets supported FCLGA1155 FCLGA2011
Thermal Design Power (TDP) 45 Watt 130 Watt
Thermal Solution 2011B

Peripherals

PCI Express revision 3.0 2.0
PCIe configurations up to 1x16, 2x8, 1x8 & 2x4
Max number of PCIe lanes 40

Security & Reliability

Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Intel® Smart Response technology

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)