Atom Z540
VS
Atom E680

Atom Z540 vs Atom E680

Intel

Atom Z540

1 Cores2 Thrd2.4 WWMax: 0.07 GHz2008
VS
Intel

Atom E680

1 Cores2 Thrd4 WWMax: 1.6 GHz2010

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Atom Z540 is positioned at rank 334 and the Atom E680 is on rank 952, so the Atom Z540 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Atom Z540

#322
Atom x5-Z8300
MSRP: $20|Avg: N/A
481%
#323
Atom Z3735G
MSRP: $17|Avg: N/A
474%
#324
Core i5-480M
MSRP: $81|Avg: $77
435%
#325
Core i5-460M
MSRP: $80|Avg: $129
433%
#326
Core i5-2540M
MSRP: $266|Avg: $10
429%
#328
Core i5-450M
MSRP: $32|Avg: $31
414%
#329
Core i3-380M
MSRP: $49|Avg: $25
397%
#330
Core i5-430M
MSRP: N/A|Avg: $33
397%
#331
Core 2 Duo T6600
MSRP: N/A|Avg: $4
386%
#334
Atom Z540
MSRP: N/A|Avg: N/A
100%
#336
Xeon E3-1505M v5
MSRP: $115|Avg: $115
100%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom E680

#940
Atom x5-Z8300
MSRP: $20|Avg: N/A
1806%
#941
Atom Z3735G
MSRP: $17|Avg: N/A
1779%
#942
Core i5-480M
MSRP: $81|Avg: $77
1633%
#943
Core i5-460M
MSRP: $80|Avg: $129
1626%
#944
Core i5-2540M
MSRP: $266|Avg: $10
1611%
#946
Core i5-450M
MSRP: $32|Avg: $31
1556%
#947
Core i3-380M
MSRP: $49|Avg: $25
1492%
#948
Core i5-430M
MSRP: N/A|Avg: $33
1489%
#949
Core 2 Duo T6600
MSRP: N/A|Avg: $4
1449%
#952
Atom E680
MSRP: N/A|Avg: N/A
100%
#954
Core i7-5850EQ
MSRP: $435|Avg: $370
100%
#956
Core i7-4810MQ
MSRP: $378|Avg: $378
99%
#959
Celeron Dual-Core T3500
MSRP: $80|Avg: $15
98%
#960
Celeron 4305UE
MSRP: $107|Avg: $107
98%
#963
Core i7-10510U
MSRP: $409|Avg: N/A
96%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Atom E680 delivers superior performance across the board. It outperforms the Atom Z540 in both compute-intensive tasks (6.3% faster) and gaming workloads.
InsightAtom Z540Atom E680
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Silverthorne (2008−2010) / 45 nm)
🛑 Legacy (Tunnel Creek (2010) / 45 nm)

💎 Value Proposition

InsightAtom Z540Atom E680
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Technical Specifications

Side-by-side comparison of Atom Z540 and Atom E680

Intel

Atom Z540

The Atom Z540 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2.4 Watt. Passmark benchmark score: 305 points. Launch price was $160.

Intel

Atom E680

The Atom E680 is manufactured by Intel. It was released in 14 September 2010 (15 years ago). It is based on the Tunnel Creek (2010) architecture. It features 1 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: BGA676. Thermal design power (TDP): 4 Watt. Memory support: DDR2. Passmark benchmark score: 325 points. Launch price was $69.

Processing Power

Both the Atom Z540 and Atom E680 share an identical 1-core/2-thread configuration. Boost clocks reach 0.07 GHz on the Atom Z540 versus 1.6 GHz on the Atom E680 — a 183.2% clock advantage for the Atom E680. The Atom Z540 uses the Silverthorne (2008−2010) architecture (45 nm), while the Atom E680 uses Tunnel Creek (2010) (45 nm). In PassMark, the Atom Z540 scores 305 against the Atom E680's 325 — a 6.3% lead for the Atom E680. Both processors carry 0 kB of L3 cache.

FeatureAtom Z540Atom E680
Cores / Threads
1 / 2
1 / 2
Boost Clock
0.07 GHz
1.6 GHz+2186%
Base Clock
1.86 GHz
L3 Cache
0 kB
0 kB
L2 Cache
512 kB
512 kB (per core)
Process
45 nm
45 nm
Architecture
Silverthorne (2008−2010)
Tunnel Creek (2010)
PassMark
305
325+7%
🧠

Memory & Platform

The Atom Z540 uses the PBGA441 socket (PCIe 2.0), while the Atom E680 uses BGA676 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2-533 memory speed. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. PCIe lanes: 0 (Atom Z540) vs 4 (Atom E680) — the Atom E680 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel US15W (Atom Z540) and Intel FCBGA518 (Atom E680).

FeatureAtom Z540Atom E680
Socket
PBGA441
BGA676
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR2-533
DDR2-800
Max RAM Capacity
2 GB
2 GB
RAM Channels
1
1
ECC Support
PCIe Lanes
0
4
🔧

Advanced Features

The Atom E680 includes integrated graphics (Intel GMA 600), while the Atom Z540 requires a dedicated GPU.

FeatureAtom Z540Atom E680
Integrated GPU
No
Yes
IGPU Model
Intel GMA 600