Intel Atom E3845 vs AMD Phenom II X3 P820
Comparative analysis of Intel Atom E3845 and AMD Phenom II X3 P820 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, CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), CompuBench 1.5 Desktop - Face Detection (mPixels/s), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the Intel Atom E3845
- CPU is newer: launch date 3 year(s) 4 month(s) later
- 1 more cores, run more applications at once: 4 vs 3
- 1 more threads: 4 vs 3
- Around 6% higher clock speed: 1.91 GHz vs 1.8 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
- Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
- 2.5x lower typical power consumption: 10 Watt vs 25 Watt
Launch date | October 2013 vs 12 May 2010 |
Number of cores | 4 vs 3 |
Number of threads | 4 vs 3 |
Maximum frequency | 1.91 GHz vs 1.8 GHz |
Manufacturing process technology | 22 nm vs 45 nm |
L2 cache | 512 KB (per core) vs 1.5 MB |
Thermal Design Power (TDP) | 10 Watt vs 25 Watt |
Reasons to consider the AMD Phenom II X3 P820
- Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
- Around 34% better performance in PassMark - Single thread mark: 717 vs 536
Specifications (specs) | |
L1 cache | 384 KB vs 64 KB (per core) |
Benchmarks | |
PassMark - Single thread mark | 717 vs 536 |
PassMark - CPU mark | 1068 vs 1065 |
Compare benchmarks
CPU 1: Intel Atom E3845
CPU 2: AMD Phenom II X3 P820
PassMark - Single thread mark |
|
|
||||
PassMark - CPU mark |
|
|
Name | Intel Atom E3845 | AMD Phenom II X3 P820 |
---|---|---|
PassMark - Single thread mark | 536 | 717 |
PassMark - CPU mark | 1065 | 1068 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 9.495 | |
GFXBench 4.0 - T-Rex (Frames) | 1041 | |
GFXBench 4.0 - T-Rex (Fps) | 1041 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 0.787 | |
Geekbench 4 - Single Core | 227 | |
Geekbench 4 - Multi-Core | 640 |
Compare specifications (specs)
Intel Atom E3845 | AMD Phenom II X3 P820 | |
---|---|---|
Essentials |
||
Architecture codename | Bay Trail | Champlain |
Launch date | October 2013 | 12 May 2010 |
Place in performance rating | 3033 | 2963 |
Processor Number | E3845 | |
Series | Intel® Atom™ Processor E Series | 3x AMD Phenom II |
Status | Launched | |
Vertical segment | Embedded | Laptop |
Performance |
||
64 bit support | ||
Base frequency | 1.91 GHz | |
L1 cache | 64 KB (per core) | 384 KB |
L2 cache | 512 KB (per core) | 1.5 MB |
Manufacturing process technology | 22 nm | 45 nm |
Maximum core temperature | -40°C to 110°C | |
Maximum frequency | 1.91 GHz | 1.8 GHz |
Number of cores | 4 | 3 |
Number of threads | 4 | 3 |
Front-side bus (FSB) | 3600 MHz | |
Memory |
||
ECC memory support | ||
Max memory channels | 2 | |
Maximum memory size | 8 GB | |
Supported memory types | DDR3L 1333 | |
Graphics |
||
Graphics base frequency | 542 MHz | |
Graphics max frequency | 792 MHz | |
Intel® Quick Sync Video | ||
Processor graphics | Intel HD Graphics | |
Graphics interfaces |
||
Number of displays supported | 2 | |
Compatibility |
||
Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | |
Package Size | 25mm x 27mm | |
Sockets supported | FCBGA1170 | S1 |
Thermal Design Power (TDP) | 10 Watt | 25 Watt |
Peripherals |
||
Integrated IDE | ||
Integrated LAN | ||
Max number of PCIe lanes | 4 | |
PCI Express revision | 2.0 | |
PCIe configurations | x4, x2, x1 | |
Total number of SATA ports | 2 | |
UART | ||
USB revision | 2.0, 3.0 | |
Security & Reliability |
||
Execute Disable Bit (EDB) | ||
Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
||
Enhanced Intel SpeedStep® technology | ||
HD Audio | ||
Intel 64 | ||
Intel® AES New Instructions | ||
Intel® Hyper-Threading technology | ||
Intel® vPro™ Platform Eligibility | ||
VirusProtect | ||
Virtualization |
||
Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) | ||
Intel® VT-x with Extended Page Tables (EPT) | ||
AMD Virtualization (AMD-V™) |