Intel Atom Z3770 vs Intel Atom Z3680D

Intel Atom Z3770

► remove from comparison Intel Z3770

The Intel Atom Z3770 is a power efficient quad-core SoC for Windows and Android tablets. It is clocked at 1.46 - 2.4 GHz and part of the Bay Trail-T 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 its predecessor.

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 4 CPU cores and a clock speed of 1.46 - 2.4 GHz, the Z3770 is significantly faster than previous Intel Atoms, e.g. the Z2760. In our benchmarks, the Z3770 even slightly beats the Kabini APU AMD A4-5000, as well as ARM SoCs like Tegra 4 and the Snapdragon 800. For everyday tasks such as Internet or Office the performance is adequate, but not for very complex software or modern games.

Graphics

The HD Graphics (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 667 MHz, the GPU is even slower than the HD Graphics (Ivy Bridge) and comparable to the Qualcomm Adreno 320 (as found in the Snapdragon 600). Therefore, only older and less demanding Windows games will run fluently. However, video acceleration and display resolutions up to 2560 x 1600 pixels are no problem for the chip.

Power Consumption

The entire SoC is rated at an SDP of 2 watts, which indicates a TDP of less than 4 watts. Thus, the chip can be used in passively cooled tablets.

Intel Atom Z3680D

► remove from comparison Intel Z3680D

The Intel Atom Z3680D is a power-efficient dual-core SoC for Windows and Android tablets. It is clocked at 1.33 - 2.0 GHz and is part of the Bay Trail-T platform. Thanks to the specially optimized 22nm low-power design process (P1271) with Tri-Gate transistors, performance and energy efficiency have been significantly improved compared to its predecessor. In contrast to the Z3680, the Z3680D offers a different memory controller and a lower display resolution.

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, and 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 additions 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 Z3680D is faster than previous Intel Atoms like the Z2760. Presumably, the Z3680D even competes with AMD APUs like the AMD A4-4355M. For simple everyday tasks such as Internet or Office the performance is adequate, but not for complex software or modern games.

Graphics

The HD Graphics (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 688 MHz, the GPU is even slower than the HD Graphics (Ivy Bridge). Therefore, only older and less demanding Windows games will run fluently. However, video acceleration and display resolutions up to 1920 x 1200 pixels are no problem for the chip.

Power Consumption

The entire SoC should be rated at an SDP of about 2 W, which would indicate a TDP of less than 4 W. Thus, the chip can be used in passively cooled tablets.

Intel Atom Z3770Intel Atom Z3680D
Intel AtomIntel Atom
Bay Trail-TBay Trail-T
Series: Atom Bay Trail-T
Intel Atom Z3795 compare1590 - 2390 MHz4 / 4
Intel Atom Z3785 compare1490 - 2410 MHz4 / 4
Intel Atom Z3775 compare1460 - 2390 MHz4 / 4
Intel Atom Z3775D compare1490 - 2410 MHz4 / 4
» Intel Atom Z37701460 - 2400 MHz4 / 4
Intel Atom Z3770D compare1500 - 2410 MHz4 / 4
Intel Atom Z3736F compare1330 - 2160 MHz4 / 4
Intel Atom Z3736G compare1330 - 2160 MHz4 / 4
Intel Atom Z3745 compare1330 - 1860 MHz4 / 4
Intel Atom Z3745D compare1330 - 1830 MHz4 / 4
Intel Atom Z3740 compare1330 - 1860 MHz4 / 4
Intel Atom Z3740D compare1330 - 1830 MHz4 / 4
Intel Atom Z3735D compare1330 - 1830 MHz4 / 4
Intel Atom Z3735E compare1330 - 1830 MHz4 / 4
Intel Atom Z3735F compare1330 - 1830 MHz4 / 4
Intel Atom Z3735G compare1330 - 1830 MHz4 / 4
Intel Atom Z3680 compare1330 - 2000 MHz2 / 2
Intel Atom Z3680D1330 - 2000 MHz2 / 2
Intel Atom Z3795 compare1590 - 2390 MHz4 / 4
Intel Atom Z3785 compare1490 - 2410 MHz4 / 4
Intel Atom Z3775 compare1460 - 2390 MHz4 / 4
Intel Atom Z3775D compare1490 - 2410 MHz4 / 4
Intel Atom Z37701460 - 2400 MHz4 / 4
Intel Atom Z3770D compare1500 - 2410 MHz4 / 4
Intel Atom Z3736F compare1330 - 2160 MHz4 / 4
Intel Atom Z3736G compare1330 - 2160 MHz4 / 4
Intel Atom Z3745 compare1330 - 1860 MHz4 / 4
Intel Atom Z3745D compare1330 - 1830 MHz4 / 4
Intel Atom Z3740 compare1330 - 1860 MHz4 / 4
Intel Atom Z3740D compare1330 - 1830 MHz4 / 4
Intel Atom Z3735D compare1330 - 1830 MHz4 / 4
Intel Atom Z3735E compare1330 - 1830 MHz4 / 4
Intel Atom Z3735F compare1330 - 1830 MHz4 / 4
Intel Atom Z3735G compare1330 - 1830 MHz4 / 4
Intel Atom Z3680 compare1330 - 2000 MHz2 / 2
» Intel Atom Z3680D1330 - 2000 MHz2 / 2
1460 - 2400 MHz1330 - 2000 MHz
224 KB112 KB
2 MB1 MB
4 / 42 / 2
<4 <4
22 22
UTFCBGA1380
Intel HD Graphics (Bay Trail, 311 - 667 MHz), Quick Sync, Wireless Display, Clear Video HD, Intel 64, SSE 4.1, SSE 4.2, AES-NI, Secure Key, Anti-Theft, Identify-Protection, max. 4 GB Dual-Channel LPDDR3-1067Intel HD Graphics (Bay Trail, max. 688 MHz), Intel 64, SSE 4.1, SSE 4.2, AES-NI, max. 2 GB Single-Channel DDR3L-RS 1333, Quick Sync
iGPUIntel HD Graphics (Bay Trail) (311 - 667 MHz)Intel HD Graphics (Bay Trail) (313 - 688 MHz)
$37 U.S.
Intel Atom Z3770

Benchmarks

Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 997     avg: 1158     median: 1189 (12%)     max: 1230
min: 997     avg: 1157.6     median: 1189 (12%)     max: 1230
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 2848     avg: 3691     median: 3961 (7%)     max: 4035
min: 2848     avg: 3690.5     median: 3961 (7%)     max: 4035
wPrime 2.10 - wPrime 2.0 1024m *
min: 836.7     avg: 922     median: 862.3 (10%)     max: 1126 s
min: 836.7     avg: 921.8     median: 862.3 (10%)     max: 1126 s
wPrime 2.10 - wPrime 2.0 32m *
min: 24     avg: 25.9     median: 26.6 (5%)     max: 26.6 s
min: 24     avg: 25.9     median: 26.6 (5%)     max: 26.6 s
WinRAR - WinRAR 4.0
898 (9%)
898 (9%)
X264 HD Benchmark 4.0 - x264 Pass 2
min: 6.2     avg: 7.8     median: 7.7 (5%)     max: 9.5 fps
min: 6.2     avg: 7.8     median: 7.7 (5%)     max: 9.5 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 31.5     avg: 39.3     median: 40.5 (14%)     max: 45.9 fps
min: 31.5     avg: 39.3     median: 40.5 (14%)     max: 45.9 fps
TrueCrypt - TrueCrypt Serpent
min: 0.077     avg: 0.1     median: 0.1 (0%)     max: 0.123 GB/s
min: 0.077     avg: 0.1     median: 0.1 (0%)     max: 0.123 GB/s
TrueCrypt - TrueCrypt Twofish
min: 0.12     avg: 0.2     median: 0.2 (0%)     max: 0.193 GB/s
min: 0.12     avg: 0.2     median: 0.2 (0%)     max: 0.193 GB/s
TrueCrypt - TrueCrypt AES
min: 0.44     avg: 0.8     median: 0.9 (0%)     max: 0.886 GB/s
min: 0.44     avg: 0.8     median: 0.9 (0%)     max: 0.886 GB/s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 2203     avg: 2212     median: 2212 (15%)     max: 2221 Points
min: 2203     avg: 2212     median: 2212 (15%)     max: 2221 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 27     avg: 33.3     median: 36 (8%)     max: 37 s
min: 27     avg: 33.3     median: 36 (8%)     max: 37 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 61     avg: 74     median: 80 (3%)     max: 81 s
min: 61     avg: 74     median: 80 (3%)     max: 81 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 1566     avg: 1686     median: 1735 (8%)     max: 1756 s
min: 1566     avg: 1685.7     median: 1735 (8%)     max: 1756 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
min: 15.66     avg: 7984     median: 7984.3 (4%)     max: 15953 MIPS
min: 15.66     avg: 7984.3     median: 7984.3 (4%)     max: 15953 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
min: 7.38     avg: 3731     median: 3730.7 (3%)     max: 7454 MFLOPS
min: 7.38     avg: 3730.7     median: 3730.7 (3%)     max: 7454 MFLOPS
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 3379     avg: 4057     median: 4056.5 (6%)     max: 4734 Points
min: 3379     avg: 4056.5     median: 4056.5 (6%)     max: 4734 Points
3DMark 11 - 3DM11 Performance Physics
min: 1199     avg: 1353     median: 1330 (6%)     max: 1512 Points
min: 1199     avg: 1352.6     median: 1330 (6%)     max: 1512 Points
3DMark - 3DMark Ice Storm Physics
min: 11561     avg: 16054     median: 17754 (11%)     max: 18706 Points
min: 11561     avg: 16054     median: 17754 (11%)     max: 18706 Points
3DMark - 3DMark Ice Storm Extreme Physics
min: 17931     avg: 18729     median: 18754 (22%)     max: 19503 Points
min: 17931     avg: 18729.3     median: 18754 (22%)     max: 19503 Points
3DMark - 3DMark Cloud Gate Physics
min: 956     avg: 1316     median: 1471 (4%)     max: 1555 Points
min: 956     avg: 1315.6     median: 1471 (4%)     max: 1555 Points
3DMark - 3DMark Fire Strike Standard Physics
min: 1348     avg: 1748     median: 1748 (5%)     max: 2148 Points
min: 1348     avg: 1748     median: 1748 (5%)     max: 2148 Points
Geekbench 2 - 32 Bit - Geekbench Stream
min: 2472     avg: 2523     median: 2522.5 (20%)     max: 2573 Points
min: 2472     avg: 2522.5     median: 2522.5 (20%)     max: 2573 Points
Geekbench 2 - 32 Bit - Geekbench Memory
min: 2278     avg: 2358     median: 2357.5 (21%)     max: 2437 Points
min: 2278     avg: 2357.5     median: 2357.5 (21%)     max: 2437 Points
Geekbench 2 - 32 Bit - Geekbench Floating Point
min: 3092     avg: 3110     median: 3110 (6%)     max: 3128 Points
min: 3092     avg: 3110     median: 3110 (6%)     max: 3128 Points
Geekbench 2 - 32 Bit - Geekbench Integer
min: 3617     avg: 3637     median: 3637 (7%)     max: 3657 Points
min: 3617     avg: 3637     median: 3637 (7%)     max: 3657 Points
Geekbench 2 - 32 Bit - Geekbench Total Score
min: 3063     avg: 3085     median: 3084.5 (8%)     max: 3106 Points
min: 3063     avg: 3084.5     median: 3084.5 (8%)     max: 3106 Points
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
min: 2998     avg: 3035     median: 3035 (5%)     max: 3072
min: 2998     avg: 3035     median: 3035 (5%)     max: 3072
Geekbench 3 - Geekbench 3 32 Bit Single-Core
min: 977     avg: 981     median: 980.5 (20%)     max: 984
min: 977     avg: 980.5     median: 980.5 (20%)     max: 984
Linpack Android / IOS - Linpack Multi Thread
717 MFLOPS (24%)
717 MFLOPS (24%)
Linpack Android / IOS - Linpack Single Thread
265 MFLOPS (26%)
265 MFLOPS (26%)
Sunspider - Sunspider 1.0 Total Score *
567 ms (6%)
566.6 ms (6%)
Sunspider - Sunspider 0.9.1 Total Score *
577 ms (5%)
577.3 ms (5%)
Quadrant Standard Edition 2.0 - Quadrant Standard 2.0 Total Score
22792 points (53%)
22792 points (53%)
AnTuTu v4 - AnTuTu v4 Total Score
36357 Points (85%)
36357 Points (85%)
AndEBench - AndEBench Java
428 Iter./s (13%)
428 Iter./s (13%)
AndEBench - AndEBench Native
21235 Iter./s (70%)
21235 Iter./s (70%)

Average Benchmarks Intel Atom Z3770 → 100% n=37

Average Benchmarks Intel Atom Z3680D → 100% n=37

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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Redaktion, 2017-09- 8 (Update: 2017-09-11)