Processor comparison
Intel Celeron B840 vs Intel Core M-5Y51
Intel
Intel Celeron B840
Intel Socket G2 (988B)
1900 MHz
2 cores
Jul 2011
MOBILE
VS
Intel
Intel Core M-5Y51
1100 MHz
2 cores
Oct 2014
MOBILE
Summary
Reasons to consider the Intel Celeron B840
- Higher theoretical multi-threaded performance, based on specifications plus core architecture.
Reasons to consider the Intel Core M-5Y51
- This is a newer product, it might have better application compatibility/performance (check features chart below).
- Higher theoretical gaming performance, based on raw specifications plus core architecture.
Gaming
HWSpot recommends the Intel Core M-5Y51
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
HWSpot recommends the Intel Celeron B840
Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.
Specifications
Features
| Intel Celeron B840 | Intel Core M-5Y51 |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.1 | | |
| SSE4.2 | | |
| Enhanced Intel SpeedStep Technology (EIST) | | |
| Intel 64 | | |
| XD bit (an NX bit implementation) | | |
| Intel VT-x | | |
| Smart Cache. | | |
| AVX | | |
| EIST | | |
| XD bit | | |
| VT-x | | |
| Hyper-Threading | | |
Architecture
| Intel Celeron B840 | Intel Core M-5Y51 |
|---|
| Architecture | Intel_SandyBridge | Intel_Broadwell |
| Market | Mobile | Mobile |
| Memory Support | DDR3 | DDR4 |
| Codename | Sandy Bridge | Broadwell-Y |
| Release Date | Jul 2011 | Oct 2014 |
Cores
| Intel Celeron B840 | Intel Core M-5Y51 |
|---|
| Cores | 2 | 2 |
| Threads | 2 | 4 |
| SMPs | 1 | 1 |
| Integrated Graphics | Intel HD (Sandy Bridge) | Intel HD 5300 |
Cache
| Intel Celeron B840 | Intel Core M-5Y51 |
|---|
| L1 Cache | 64 KB (per core) | 64 KB (per core) |
| L2 Cache | 256 KB (per core) | 256 KB (per core) |
| L3 Cache | 2048 KB (shared) | 4096 KB (shared) |
Physical
| Intel Celeron B840 | Intel Core M-5Y51 |
|---|
| Socket | Intel Socket G2 (988B) | |
| Max Case Temp | unknown | unknown |
| Package | rPGA | |
| Die Size | 131mm² | 50mm² |
| Process | 32 nm | 14 nm |
Performance
| Intel Celeron B840 | Intel Core M-5Y51 |
|---|
| Cpu Frequency | 1900 MHz | 1100 MHz |
| Turbo Clock | none | 2600 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | unknown | unknown |
| TDP | 35 W | 5 W |
Raw performance index
Raw single-thread performance estimation
- Intel Celeron B8401900 points
- Intel Core M-5Y512912 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Celeron B8403800 points
- Intel Core M-5Y512956 points
Points - higher is better