Processor comparison
Intel Celeron B840 vs Intel Atom Z3770
Intel
Intel Celeron B840
Intel Socket G2 (988B)
1900 MHz
2 cores
Jul 2011
MOBILE
VS
Intel
Intel Atom Z3770
Intel BGA1380
1467 MHz
4 cores
Sep 2013
MOBILE
Summary
Synthetic performance index
- Intel Celeron B840115%
- Intel Atom Z3770100%
Relative performance
Single thread performance index
- Intel Celeron B840149%
- Intel Atom Z3770100%
Relative performance
Multi thread performance index
- Intel Celeron B840100%
- Intel Atom Z3770121%
Relative performance
Reasons to consider the Intel Celeron B840
- Much higher single threaded performance (around 49% higher), makes a noticeable performance difference in gaming and the majority of applications.
Reasons to consider the Intel Atom Z3770
- Much higher multi threaded performance (around 21% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
- This is a newer product, it might have better application compatibility/performance (check features chart below).
Gaming
No clear winner declared
Productivity
HWSpot recommends the Intel Atom Z3770
Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.
Specifications
Features
| Intel Celeron B840 | Intel Atom Z3770 |
|---|
| 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. | | |
| EIST | | |
| XD bit | | |
| BPT | | |
Architecture
| Intel Celeron B840 | Intel Atom Z3770 |
|---|
| Architecture | Intel_SandyBridge | Intel_Silvermont |
| Market | Mobile | Mobile |
| Memory Support | DDR3 | DDR3 |
| Codename | Sandy Bridge | Bay Trail-T |
| Release Date | Jul 2011 | Sep 2013 |
Cores
| Intel Celeron B840 | Intel Atom Z3770 |
|---|
| Cores | 2 | 4 |
| Threads | 2 | 4 |
| SMPs | 1 | 1 |
| Integrated Graphics | Intel HD (Sandy Bridge) | HD Graphics |
Cache
| Intel Celeron B840 | Intel Atom Z3770 |
|---|
| L1 Cache | 64 KB (per core) | 64 KB (per core) |
| L2 Cache | 256 KB (per core) | 512 KB (per core) |
| L3 Cache | 2048 KB (shared) | 0 KB |
Physical
| Intel Celeron B840 | Intel Atom Z3770 |
|---|
| Socket | Intel Socket G2 (988B) | Intel BGA1380 |
| Max Case Temp | unknown | unknown |
| Package | rPGA | FC-BGA1380 |
| Die Size | 131mm² | unknown |
| Process | 32 nm | 22 nm |
Performance
| Intel Celeron B840 | Intel Atom Z3770 |
|---|
| Cpu Frequency | 1900 MHz | 1467 MHz |
| Turbo Clock | none | 2400 MHz |
| Base Clock | 100 MHz | 133 MHz |
| Voltage | unknown | unknown |
| TDP | 35 W | 8 W |
Raw performance index
Raw single-thread performance estimation
- Intel Celeron B8401900 points
- Intel Atom Z37701440 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Celeron B8403800 points
- Intel Atom Z37703520 points
Points - higher is better
Synthetic benchmarks
GeekBench 3 (32-bit Multi Core)
- Intel Celeron B8402338
- Intel Atom Z37702835
points - higher is better
GeekBench 3 (32-bit Single Core)
- Intel Celeron B8401376
- Intel Atom Z3770922
points - higher is better