Intel Celeron B820 vs Intel Core 2 Duo T6400
Comparative analysis of Intel Celeron B820 and Intel Core 2 Duo T6400 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.
Differences
Reasons to consider the Intel Celeron B820
- CPU is newer: launch date 2 year(s) 6 month(s) later
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
- Around 10% better performance in PassMark - CPU mark: 802 vs 729
- Around 15% better performance in Geekbench 4 - Single Core: 290 vs 253
- Around 10% better performance in Geekbench 4 - Multi-Core: 508 vs 462
Specifications (specs) | |
Launch date | 31 July 2011 vs 1 January 2009 |
Manufacturing process technology | 32 nm vs 45 nm |
Benchmarks | |
PassMark - CPU mark | 802 vs 729 |
Geekbench 4 - Single Core | 290 vs 253 |
Geekbench 4 - Multi-Core | 508 vs 462 |
Reasons to consider the Intel Core 2 Duo T6400
- Around 18% higher clock speed: 2 GHz vs 1.7 GHz
- Around 5% higher maximum core temperature: 105°C vs 100 °C
- 4x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 6% better performance in PassMark - Single thread mark: 797 vs 749
Specifications (specs) | |
Maximum frequency | 2 GHz vs 1.7 GHz |
Maximum core temperature | 105°C vs 100 °C |
L2 cache | 2048 KB vs 512 KB |
Benchmarks | |
PassMark - Single thread mark | 797 vs 749 |
Compare benchmarks
CPU 1: Intel Celeron B820
CPU 2: Intel Core 2 Duo T6400
PassMark - Single thread mark |
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PassMark - CPU mark |
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Geekbench 4 - Single Core |
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Geekbench 4 - Multi-Core |
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Name | Intel Celeron B820 | Intel Core 2 Duo T6400 |
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PassMark - Single thread mark | 749 | 797 |
PassMark - CPU mark | 802 | 729 |
Geekbench 4 - Single Core | 290 | 253 |
Geekbench 4 - Multi-Core | 508 | 462 |
Compare specifications (specs)
Intel Celeron B820 | Intel Core 2 Duo T6400 | |
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Essentials |
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Architecture codename | Sandy Bridge | Penryn |
Launch date | 31 July 2011 | 1 January 2009 |
Launch price (MSRP) | $86 | |
Place in performance rating | 2920 | 2925 |
Price now | $39.29 | $14.99 |
Processor Number | B820 | T6400 |
Series | Legacy Intel® Celeron® Processor | Legacy Intel® Core™ Processors |
Status | Launched | Discontinued |
Value for money (0-100) | 10.70 | 24.07 |
Vertical segment | Mobile | Mobile |
Performance |
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64 bit support | ||
Base frequency | 1.70 GHz | 2.00 GHz |
Bus Speed | 5 GT/s DMI | 800 MHz FSB |
Die size | 131 mm | 107 mm2 |
L1 cache | 128 KB | |
L2 cache | 512 KB | 2048 KB |
L3 cache | 2048 KB | |
Manufacturing process technology | 32 nm | 45 nm |
Maximum core temperature | 100 °C | 105°C |
Maximum frequency | 1.7 GHz | 2 GHz |
Number of cores | 2 | 2 |
Number of threads | 2 | 2 |
Transistor count | 504 million | 410 million |
Front-side bus (FSB) | 800 MHz | |
VID voltage range | 1.000V-1.250V | |
Memory |
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Max memory channels | 2 | |
Maximum memory bandwidth | 21.3 GB/s | |
Maximum memory size | 16 GB | |
Supported memory types | DDR3 1066/1333 | |
Graphics |
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Graphics base frequency | 650 MHz | |
Graphics max dynamic frequency | 1.05 GHz | |
Graphics max frequency | 1.05 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 | |
Graphics interfaces |
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CRT | ||
DisplayPort | ||
eDP | ||
HDMI | ||
Number of displays supported | 2 | |
SDVO | ||
Wireless Display (WiDi) support | ||
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | |
Package Size | 37.5mmx37.5mm (rPGA988B) | 35mm x 35mm |
Sockets supported | FCPGA988 | PGA478 |
Thermal Design Power (TDP) | 35 Watt | 35 Watt |
Peripherals |
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Max number of PCIe lanes | 16 | |
PCI Express revision | 2.0 | |
PCIe configurations | 1x16, 2x8, 1x8 2x4 | |
Security & Reliability |
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Anti-Theft technology | ||
Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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4G WiMAX Wireless | ||
Enhanced Intel SpeedStep® technology | ||
Flexible Display interface (FDI) | ||
Idle States | ||
Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | |
Intel 64 | ||
Intel® AES New Instructions | ||
Intel® Demand Based Switching | ||
Intel® Fast Memory Access | ||
Intel® Flex Memory Access | ||
Intel® Hyper-Threading technology | ||
Intel® My WiFi technology | ||
Intel® Turbo Boost technology | ||
Intel® vPro™ Platform Eligibility | ||
Thermal Monitoring | ||
Virtualization |
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Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) |