Combined benchmark scores for both processors
Head-to-head processor comparison
Combined benchmark scores for both processors
Out of 2,060 results in the database
Rank #2,056
Rank #902
Core i7-3840QM wins by 27.8% (Rank #2056 vs #902)
Out of 2,060 results in the database
Rank #2,055
Rank #931
Core i7-3840QM wins by 36.8% (Rank #2055 vs #931)
Out of 2,060 results in the database
Rank #2,015
Rank #761
Core i7-3840QM wins by 13.9% (Rank #2015 vs #761)
Out of 1,771 results in the database
Rank #1,770
Rank #801
Core i7-3840QM wins by 5% (Rank #1770 vs #801)
Out of 1,771 results in the database
Rank #1,771
Rank #768
Core i7-3840QM wins by 5.3% (Rank #1771 vs #768)
Out of 1,771 results in the database
Rank #1,767
Rank #843
Core i7-3840QM wins by 4.7% (Rank #1767 vs #843)
Side-by-side comparison of key specifications
| Specification | Atom Z520 | Core i7-3840QM | Diff |
|---|---|---|---|
| Cores |
1
|
4
|
-75% |
| Threads |
2
|
8
|
-75% |
| Base Frequency |
1,333 MHz
|
2,800 MHz
|
-52.4% |
| Clock Multiplier |
10x
|
28x
|
-64.3% |
| L1 Cache |
56 KB
|
62 KB
|
-10.3% |
| L2 Cache |
1 MiB
|
0 MiB
|
+51.2% |
| L3 Cache | -- |
8 MiB
|
|
| Memory Channels | -- |
2
|
|
| Maximum Memory | -- |
0 GB
|
|
| Max Bandwidth | -- |
26 GB/s
|
|
| PCIe Lanes | -- |
16
|
|
| Max CPUs |
1
|
1
|
0% |
| TDP (lower is better) |
2 W
|
45 W
|
95.6% less |
| Process (lower is better) |
45 nm
|
22 nm
|
51.1% more |
| Specification | Atom Z520 | Core i7-3840QM |
|---|---|---|
| Designer | Intel | Intel |
| Family | Atom | -- |
| Series | Z500 | -- |
| Model Number | Z520 | i7-3840QM |
| Microarchitecture | Bonnell | -- |
| Core Name | Silverthorne | Ivy Bridge |
| Core Family | 6 | -- |
| Core Model | 28 | -- |
| Socket | BGA-441 | FCPGA988 |
| Package | FCBGA-441 | FC-BGA12F |
| Chipset | Poulsbo | -- |
| Memory Type | -- | DDR3/L/-RS 1333/1600 |
| ECC Support | -- | No |
| PCIe Revision | -- | 3.0 |
| PCIe Configuration | -- | 1x16, 2x8, 1x8 2x4 |
| Market Segment | Mobile | Mobile |
| Release Price | $65.00 | -- |
| Locked Multiplier | Yes | Yes |
Designer
Family
Series
Model Number
Microarchitecture
Core Name
Core Family
Core Model
Socket
Package
Chipset
Memory Type
ECC Support
PCIe Revision
PCIe Configuration
Market Segment
Release Price
Locked Multiplier
Manufacturing process and die characteristics
| Specification | Atom Z520 | Core i7-3840QM |
|---|---|---|
| Process | 45 nm | 22 nm |
| Die Area | 24.18 mm² | 160 mm² |
| Transistor Count | 0.05 billion | 1,400 |
| Manufacturer | Intel | Intel |
| Technology | CMOS | -- |
| Word Size | 32-bit | 64-bit |
| ISA | x86-32 (x86) | -- |
Process
Die Area
Transistor Count
Manufacturer
Technology
Word Size
ISA
Integrated GPU specifications comparison
| Specification | Atom Z520 | Core i7-3840QM |
|---|---|---|
| GPU | -- | HD Graphics 4000 |
| GPU Designer | -- | Intel |
| GPU Max Frequency | -- | 1300 MHz |
GPU
GPU Designer
GPU Max Frequency
Supported instruction set extensions comparison
| Extension | Atom Z520 | Core i7-3840QM |
|---|---|---|
| AES | ||
| AVX | ||
| AVX2 | ||
| EIST | ||
| EMMX | ||
| EPT | ||
| FMA | ||
| FPU | ||
| Flex Memory | ||
| HT | ||
| IPT | ||
| MMX | ||
| NX | ||
| Protected | ||
| Real | ||
| SIPP | ||
| SMEP | ||
| SMM | ||
| SSE | ||
| SSE2 | ||
| SSE3 | ||
| SSE4.1 | ||
| SSE4.2 | ||
| SSSE3 | ||
| Secure Key | ||
| TSX | ||
| TXT | ||
| VT-d | ||
| VT-x | ||
| vPro | ||
| x86-16 | ||
| x86-32 | ||
| x86-64 |
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