Intel Celeron N2807 vs Intel Celeron N2840

Intel Celeron N2807

► remove Intel N2807

The Intel Celeron N2807 is a power efficient dual-core SoC for entry-level notebooks. It is clocked at 1.6 - 2.2 GHz and part of the Bay Trail-M platform. Thanks to the specially optimized 22 nanometer low-power process (P1271) with tri-gate transistors, performance and energy efficiency have been significantly improved compared to previous Intel Atom CPUs.

Architecture

The processor cores are based on the new Silvermont architecture, which is an out-of-order design for the first time. The increased utilization of the pipeline and many other improvements (optimized branch prediction, increased buffers, enhanced decoders) have increased the performance per clock by about 50 percent. At the same time, however, the Hyper-Threading feature of the previous generation has been removed. Other major changes are the support for new instruction set extensions such as SSE 4.1 and 4.2 as well as AES-NI (depending on the model).

Performance

Thanks to the improved performance per clock, the Celeron N2807 is clearly faster than previous Intel Atoms, e.g. the N2800. According to our benchmarks, the N2807 competes with AMD APUs like the AMD E1-1500. For simple everyday tasks such as Internet or Office the performance is adequate, but not for more complex software or modern games.

Graphics

The graphics unit of Bay Trail is based on the Intel Gen7 architecture, which supports DirectX 11 and is also found in the Ivy Bridge series (e.g. HD Graphics 4000). With only 4 EUs (Execution Units) and a relatively low clock speed (313 - 750 MHz), the GPU is even slower than the HD Graphics (Ivy Bridge). Therefore, only older and less demanding games will run fluently.

Power Consumption

The entire SoC is rated at a TDP of 4.3 watts (3 W SDP). Thus, the chip can be used in compact subnotebooks.

Intel Celeron N2840

► remove Intel N2840

The Intel Celeron N2840 is a power efficient dual-core SoC for entry-level notebooks. It is clocked at up to 2.58 GHz and part of the Bay Trail-M platform. Thanks to the specially optimized 22 nanometer low-power process (P1271) with tri-gate transistors, performance and energy efficiency have been significantly improved compared to previous Intel Atom CPUs. The N2840 supports Intel Quick Sync and Wireless Display.

Architecture

The processor cores are based on the new Silvermont architecture, which is an out-of-order design for the first time. The increased utilization of the pipeline and many other improvements (optimized branch prediction, increased buffers, enhanced decoders) have increased the performance per clock by about 50 percent. At the same time, however, the Hyper-Threading feature of the previous generation has been removed. Other major changes are the support for new instruction set extensions such as SSE 4.1 and 4.2 as well as AES-NI (depending on the model).

Performance

Thanks to the improved performance per clock, the Celeron N2840 is faster than previous Intel Atoms, e.g. the N2850. Depending on the benchmark, the N2840 competes with older dual core CPUs like the Intel Core 2 Duo series. For simple everyday tasks such as Internet or Office the performance is adequate, but not for complex software or modern games.

Graphics

The graphics unit of Bay Trail is based on the Intel Gen7 architecture, which supports DirectX 11 and is also found in the Ivy Bridge series (e.g. HD Graphics 4000). With only 4 EUs (Execution Units) and a relatively low clock speed of up to 792 MHz, the GPU is even slower than the HD Graphics (Ivy Bridge). Therefore, only older and less demanding games will run fluently.

Power Consumption

The entire SoC is rated at a TDP of 7.5 watts. Thus, the chip can be used in compact subnotebooks.

Intel Celeron N2807Intel Celeron N2840
Intel CeleronIntel Celeron
Bay Trail-MBay Trail-M
: Celeron Bay Trail-M
Intel Celeron N2940 compare1830 - 2250 MHz4 / 4
Intel Celeron N2930 compare1830 - 2160 MHz4 / 4
Intel Celeron N2920 compare1860 - 2000 MHz4 / 4
Intel Celeron N28402160 - 2580 MHz2 / 2
Intel Celeron N2910 compare1600 MHz4 / 4
Intel Celeron N2830 compare2160 - 2410 MHz2 / 2
Intel Celeron N2820 compare2170 - 2390 MHz2 / 2
Intel Celeron N2815 compare1860 - 2133 MHz2 / 2
Intel Celeron N2810 compare2000 MHz2 / 2
Intel Celeron N2808 compare1580 - 2250 MHz2 / 2
» Intel Celeron N28071580 - 2160 MHz2 / 2
Intel Celeron N2806 compare1580 - 2000 MHz2 / 2
Intel Celeron N2805 compare1460 MHz2 / 2
Intel Celeron N2940 compare1830 - 2250 MHz4 / 4
Intel Celeron N2930 compare1830 - 2160 MHz4 / 4
Intel Celeron N2920 compare1860 - 2000 MHz4 / 4
» Intel Celeron N28402160 - 2580 MHz2 / 2
Intel Celeron N2910 compare1600 MHz4 / 4
Intel Celeron N2830 compare2160 - 2410 MHz2 / 2
Intel Celeron N2820 compare2170 - 2390 MHz2 / 2
Intel Celeron N2815 compare1860 - 2133 MHz2 / 2
Intel Celeron N2810 compare2000 MHz2 / 2
Intel Celeron N2808 compare1580 - 2250 MHz2 / 2
Intel Celeron N28071580 - 2160 MHz2 / 2
Intel Celeron N2806 compare1580 - 2000 MHz2 / 2
Intel Celeron N2805 compare1460 MHz2 / 2
1580 - 2160 MHz2160 - 2580 MHz
112 KB112 KB
1 MB1 MB
2 / 22 / 2
4.3 7.5
22 22
105 °C105 °C
FCBGA1170FCBGA1170
Intel HD Graphics (Bay Trail, 313 - 750 MHz), Wireless Display, Quick Sync, SpeedstepHD Graphics (Bay Trail, 313 - 792 MHz), Wireless Display, Quick Sync, Speedstep
iGPUIntel HD Graphics (Bay Trail) (313 - 750 MHz)Intel HD Graphics (Bay Trail) (313 - 792 MHz)
$107 U.S.
Intel Celeron N2807Intel Celeron N2840

Cinebench R15 - CPU Multi 64Bit
65 Points (1%)
min: 69     avg: 73.7     median: 76 (2%)     max: 76 Points
Cinebench R15 - CPU Single 64Bit
35 Points (16%)
min: 37     avg: 38.7     median: 38 (17%)     max: 41 Points
Cinebench R11.5 - CPU Multi 64Bit
0.5 Points (1%)
min: 0.76     avg: 0.9     median: 0.9 (2%)     max: 0.92 Points
Cinebench R11.5 - CPU Single 64Bit
0.3 Points (10%)
min: 0.43     avg: 0.4     median: 0.4 (17%)     max: 0.45 Points
Cinebench R10 - Rendering Single 32Bit
986 Points (10%)
min: 1328     avg: 1331     median: 1331 (14%)     max: 1334 Points
Cinebench R10 - Rendering Multiple CPUs 32Bit
2093 Points (4%)
2533 Points (4%)
Cinebench R10 - Rendering Multiple CPUs 64Bit
3047 Points (4%)
min: 2585     avg: 3073     median: 3072.5 (4%)     max: 3560 Points
Cinebench R10 - Rendering Single CPUs 64Bit
1584 Points (15%)
min: 1471     avg: 1684     median: 1684 (16%)     max: 1897 Points
wPrime 2.10 - 1024m *
100%
1 N2807 +
1763 seconds (21%)
wPrime 2.10 - 32m *
100%
1 N2807 +
57.4 seconds (12%)
WinRAR - Result
100%
1 N2807 +
408 KB/s (4%)
X264 HD Benchmark 4.0 - Pass 2
100%
1 N2807 +
3.2 fps (2%)
X264 HD Benchmark 4.0 - Pass 1
100%
1 N2807 +
17 fps (6%)
TrueCrypt - Serpent Mean 100MB
100%
1 N2807 +
0 GB/s (0%)
TrueCrypt - Twofish Mean 100MB
100%
1 N2807 +
0.1 GB/s (0%)
TrueCrypt - AES Mean 100MB
100%
1 N2807 +
0.1 GB/s (0%)
3DMark 06 - CPU - CPU Score
100%
1 N2840 +
1510 Points (10%)
Super Pi mod 1.5 XS 1M - 1M *
100%
1 N2807 +
38.8 Seconds (8%)
Super Pi mod 1.5 XS 2M - 2M *
100%
1 N2807 +
84.7 Seconds (4%)
Super Pi Mod 1.5 XS 32M - 32M *
100%
1 N2807 +
1806 Seconds (8%)
3DMark 11 - Performance Physics 1280x720
976 points (4%)
min: 860     avg: 1028     median: 1072.5 (5%)     max: 1107 points
3DMark - Ice Storm Standard Physics 1280x720
6368 Points (4%)
min: 6624     avg: 6975     median: 6974.5 (4%)     max: 7325 Points
3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
100%
1 N2840 +
12854 Points (15%)
3DMark - Cloud Gate Standard Physics 1280x720
548 Points (1%)
min: 644     avg: 652     median: 651.5 (2%)     max: 659 Points
Geekbench 2 - 32 Bit - Stream
100%
1 N2807 +
2249 Points (18%)
Geekbench 2 - 32 Bit - Memory
100%
1 N2807 +
1974 Points (18%)
Geekbench 2 - 32 Bit - Floating Point
100%
1 N2807 +
1391 Points (3%)
Geekbench 2 - 32 Bit - Integer
100%
1 N2807 +
1576 Points (3%)
Geekbench 2 - 32 Bit - Total Score
100%
1 N2807 +
1658 Points (4%)
Geekbench 3 - 32 Bit Multi-Core Score
1089 Points (2%)
1688 Points (3%)
Geekbench 3 - 32 Bit Single-Core Score
688 Points (14%)
957 Points (20%)
Mozilla Kraken 1.1 - Total Score *
100%
1 N2840 +
min: 3842.8     avg: 4870     median: 4294.8 (7%)     max: 7094.1 ms
Sunspider - 1.0 Total Score *
100%
1 N2840 +
min: 306.9     avg: 493     median: 535 (6%)     max: 663.6 ms
Sunspider - 0.9.1 Total Score *
100%
1 N2840 +
741 ms (7%)
Octane V2 - Total Score
100%
1 N2840 +
min: 4320     avg: 6695     median: 7486 (14%)     max: 8442 Points

Average Benchmarks Intel Celeron N2807 → 100% n=13

Average Benchmarks Intel Celeron N2840 → 127% n=13

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)