Intel Celeron B820 vs Intel Celeron 797

Intel Celeron B820

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The Intel Celeron B820 is a dual core processor for entry level laptops. It is based on the Sandy Bridge architecture (2nd generation Core) and features an integrated graphics card (Intel HD Graphics based on the HD Graphics 2000 at 650-1050MHz) and a reduced feature set (compared to the faster Core processors). E.g. Turbo Boost, AES, Hyperthreading, Virtualization VT-d, Quick Sync, Wireless Display and Clear Video HD are deactivated. Furthermore, some power saving features may be deactivated, leading to a shorter battery runtime compared to Core i3 processors.

Due to the slow clock speed, the performance is rather limited. Compared to an AMD Turion II processor, the B810 should be similar fast as a P520.

The integrated dual channel DDR3-1066/1333 memory controller supports up to 16GB.

Intel Celeron 797

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The Intel Celeron 797 is a single-core ULV processor for entry level laptops. It is based on the Sandy Bridge architecture (2nd generation Core) and features an integrated graphics card (most likely Intel HD Graphics based on the HD Graphics 2000 at 350-950MHz) and a reduced feature set (compared to the faster Core processors). E.g. Turbo Boost, AES, Hyperthreading, Virtualization VT-d, Quick Sync, Wireless Display and Clear Video HD are deactivated. 

Due to the slow clock speed, the performance is rather limited. Compared to older processors, the 797 should be similar fast as a Celeron M 540 clocked at 1.86 GHz.

Intel Celeron B820Intel Celeron 797
Intel CeleronIntel Celeron
Sandy BridgeSandy Bridge
: Celeron Sandy Bridge
Intel Celeron B840 (compare)1900 MHz2 / 22 MB
Intel Celeron B830 (compare)1800 MHz2 / 22 MB
» Intel Celeron B8201700 MHz2 / 22 MB
Intel Celeron B815 (compare)1600 MHz2 / 22 MB
Intel Celeron B810 (compare)1600 MHz2 / 22 MB
Intel Celeron 887 (compare)1500 MHz2 / 22 MB
Intel Celeron B800 (compare)1500 MHz2 / 22 MB
Intel Celeron 877 (compare)1400 MHz2 / 22 MB
Intel Celeron 867 (compare)1300 MHz2 / 22 MB
Intel Celeron B730 (compare)1800 MHz1 / 21.5 MB
Intel Celeron 847 (compare)1100 MHz2 / 22 MB
Intel Celeron 807 (compare)1500 MHz1 / 21.5 MB
Intel Celeron B720 (compare)1700 MHz1 / 11.5 MB
Intel Celeron B710 (compare)1600 MHz1 / 11.5 MB
Intel Celeron 7971400 MHz1 / 11.5 MB
Intel Celeron B840 (compare)1900 MHz2 / 22 MB
Intel Celeron B830 (compare)1800 MHz2 / 22 MB
Intel Celeron B8201700 MHz2 / 22 MB
Intel Celeron B815 (compare)1600 MHz2 / 22 MB
Intel Celeron B810 (compare)1600 MHz2 / 22 MB
Intel Celeron 887 (compare)1500 MHz2 / 22 MB
Intel Celeron B800 (compare)1500 MHz2 / 22 MB
Intel Celeron 877 (compare)1400 MHz2 / 22 MB
Intel Celeron 867 (compare)1300 MHz2 / 22 MB
Intel Celeron B730 (compare)1800 MHz1 / 21.5 MB
Intel Celeron 847 (compare)1100 MHz2 / 22 MB
Intel Celeron 807 (compare)1500 MHz1 / 21.5 MB
Intel Celeron B720 (compare)1700 MHz1 / 11.5 MB
Intel Celeron B710 (compare)1600 MHz1 / 11.5 MB
» Intel Celeron 7971400 MHz1 / 11.5 MB
1700 MHz1400 MHz
128 KB64 KB
512 KB256 KB
2 MB1.5 MB
2 / 21 / 1
35 35
32 32
100 °C100 °C
PGA988BGA1023
Idle States, Enhanced SpeedStep, Thermal Monitoring, Execute Disable BitHD Graphics, DDR3 Memory Controller, Enhanced Speedstep, Thermal Monitoring, Execute Disable Bit
iGPUIntel HD Graphics (Sandy Bridge) (650 - 1050 MHz)Intel HD Graphics (Sandy Bridge) (350 - 950 MHz)
$86 U.S.
Intel Celeron 797

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)