Intel Atom Z3740D vs Intel Atom Z3745

Intel Atom Z3740D

► remove from comparison Intel Z3740D

The Intel Atom Z3740D is a power-efficient quad-core SoC for Windows and Android tablets. It is clocked at 1.33 - 1.83 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 Z3740, the Z3740D only offers a single-channel 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 4 CPU cores and the improved performance per clock, the Z3740D is significantly faster than previous Intel Atoms like the Z2760. According to our benchmarks, the Z3740D even competes with AMDs Temash and Kabini APUs like the A6-1450 and A4-5000. 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 688 MHz, the GPU is even slower than the HD Graphics (Ivy Bridge). Therefore, only older and less demanding Windows games like World of Warcraft or Fifa 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 is rated at an SDP of 2.2 W, which indicates a TDP of less than 4 W. Thus, the chip can be used in passively cooled tablets.

Intel Atom Z3745

► remove from comparison Intel Z3745

The Intel Atom Z3745 is a power efficient quad-core SoC for Windows and Android tablets. It is clocked at 1.33 - 1.86 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. Compared to the Z3740, the Z3745 is based on the new C0 stepping and offers a slightly increased GPU clock rate.

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 the improved performance per clock, the Z3745 is significantly faster than previous Intel Atoms, e.g. the Z2760. Depending on the benchmark, the Z3745 competes with Temash and Kabini APUs like the AMD A6-1450 and A4-5000. 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 778 MHz, the GPU is even slower than the HD Graphics (Ivy Bridge). Therefore, only older and less demanding Windows games like World of Warcraft or Fifa 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 Z3740DIntel Atom Z3745
Intel AtomIntel Atom
Bay Trail-TBay Trail-T
Series: Atom Bay Trail-T
Intel Atom Z3795 compare1.59 - 2.39 GHz4 / 4
Intel Atom Z3785 compare1.49 - 2.41 GHz4 / 4
Intel Atom Z3775 compare1.46 - 2.39 GHz4 / 4
Intel Atom Z3775D compare1.49 - 2.41 GHz4 / 4
Intel Atom Z3770 compare1.46 - 2.4 GHz4 / 4
Intel Atom Z3770D compare1.5 - 2.41 GHz4 / 4
Intel Atom Z3736F compare1.33 - 2.16 GHz4 / 4
Intel Atom Z3736G compare1.33 - 2.16 GHz4 / 4
Intel Atom Z37451.33 - 1.86 GHz4 / 4
Intel Atom Z3745D compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3740 compare1.33 - 1.86 GHz4 / 4
» Intel Atom Z3740D1.33 - 1.83 GHz4 / 4
Intel Atom Z3735D compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3735E compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3735F compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3735G compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3680 compare1.33 - 2 GHz2 / 2
Intel Atom Z3680D compare1.33 - 2 GHz2 / 2
Intel Atom Z3795 compare1.59 - 2.39 GHz4 / 4
Intel Atom Z3785 compare1.49 - 2.41 GHz4 / 4
Intel Atom Z3775 compare1.46 - 2.39 GHz4 / 4
Intel Atom Z3775D compare1.49 - 2.41 GHz4 / 4
Intel Atom Z3770 compare1.46 - 2.4 GHz4 / 4
Intel Atom Z3770D compare1.5 - 2.41 GHz4 / 4
Intel Atom Z3736F compare1.33 - 2.16 GHz4 / 4
Intel Atom Z3736G compare1.33 - 2.16 GHz4 / 4
» Intel Atom Z37451.33 - 1.86 GHz4 / 4
Intel Atom Z3745D compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3740 compare1.33 - 1.86 GHz4 / 4
Intel Atom Z3740D1.33 - 1.83 GHz4 / 4
Intel Atom Z3735D compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3735E compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3735F compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3735G compare1.33 - 1.83 GHz4 / 4
Intel Atom Z3680 compare1.33 - 2 GHz2 / 2
Intel Atom Z3680D compare1.33 - 2 GHz2 / 2
1330 - 1830 MHz1330 - 1860 MHz
224 KB224 KB
2 MB2 MB
4 / 44 / 4
<4 <4
22 22
UTFCBGA1380UTFCBGA1380
Intel HD Graphics (Bay Trail, 313 - 688 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. 2 GB Single-Channel DDR3L-RS 1333, Quick SyncIntel HD Graphics (Bay Trail, 311 - 778 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 LPDDR3-1067
iGPUIntel HD Graphics (Bay Trail) (313 - 688 MHz)Intel HD Graphics (Bay Trail) (311 - 778 MHz)
Architecturex86x86
$32 U.S.$32 U.S.
Intel Atom Z3740DIntel Atom Z3745

Benchmarks

Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 685     avg: 895     median: 963 (9%)     max: 968
min: 929     avg: 948     median: 941 (8%)     max: 973
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 2442     avg: 3047     median: 3222.5 (5%)     max: 3301
min: 2491     avg: 3038     median: 3229 (5%)     max: 3393
wPrime 2.10 - wPrime 2.0 1024m *
100%
1 Z3740D +
1002 s (12%)
wPrime 2.10 - wPrime 2.0 32m *
100%
1 Z3740D +
31.9 s (6%)
WinRAR - WinRAR 4.0
100%
1 Z3740D +
min: 1378     avg: 1557     median: 1556.5 (10%)     max: 1735
X264 HD Benchmark 4.0 - x264 Pass 2
100%
1 Z3740D +
7.8 fps (4%)
X264 HD Benchmark 4.0 - x264 Pass 1
100%
1 Z3740D +
31.9 fps (9%)
TrueCrypt - TrueCrypt Serpent
100%
1 Z3740D +
0.1 GB/s (4%)
TrueCrypt - TrueCrypt Twofish
100%
1 Z3740D +
0.2 GB/s (4%)
TrueCrypt - TrueCrypt AES
100%
1 Z3740D +
0.7 GB/s (3%)
3DMark 06 - CPU - 3DMark 06 - CPU
100%
1 Z3740D +
1827 Points (10%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
100%
1 Z3740D +
min: 45.14     avg: 45.6     median: 45.6 (10%)     max: 46.078 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
100%
1 Z3740D +
min: 98.297     avg: 99.4     median: 99.4 (4%)     max: 100.5 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
100%
1 Z3740D +
min: 2106.39     avg: 2122     median: 2122 (9%)     max: 2137.62 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 Z3740D +
19790 MIPS (9%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 Z3740D +
9280 MFLOPS (7%)
3DMark 11 - 3DM11 Performance Physics
min: 1049     avg: 1233     median: 1266.5 (5%)     max: 1350 Points
min: 1005     avg: 1183     median: 1261 (5%)     max: 1284 Points
3DMark - 3DMark Ice Storm Physics
14993 Points (10%)
min: 14743     avg: 14957     median: 14945 (10%)     max: 15195 Points
3DMark - 3DMark Ice Storm Extreme Physics
100%
1 Z3745 +
min: 14732     avg: 15505     median: 15528 (16%)     max: 16016 Points
3DMark - 3DMark Ice Storm Unlimited Physics
12461 Points (13%)
3DMark - 3DMark Cloud Gate Physics
1269 Points (3%)
min: 1186     avg: 1234     median: 1255 (3%)     max: 1261 Points
3DMark - 3DMark Fire Strike Standard Physics
100%
1 Z3745 +
1783 Points (5%)
Geekbench 2 - 32 Bit - Geekbench Stream
2282 Points (18%)
min: 1715     avg: 1772     median: 1772 (14%)     max: 1829 Points
Geekbench 2 - 32 Bit - Geekbench Memory
2068 Points (19%)
min: 1590     avg: 1660     median: 1660 (15%)     max: 1730 Points
Geekbench 2 - 32 Bit - Geekbench Floating Point
2602 Points (5%)
min: 2321     avg: 2724     median: 2723.5 (5%)     max: 3126 Points
Geekbench 2 - 32 Bit - Geekbench Integer
2939 Points (6%)
min: 1457     avg: 1759     median: 1759 (4%)     max: 2061 Points
Geekbench 2 - 32 Bit - Geekbench Total Score
2581 Points (7%)
min: 1811     avg: 2078     median: 2077.5 (5%)     max: 2344 Points
Linpack Android / IOS - Linpack Multi Thread
100%
1 Z3745 +
min: 326.873     avg: 552     median: 590 (20%)     max: 620 MFLOPS
Linpack Android / IOS - Linpack Single Thread
100%
1 Z3745 +
min: 200     avg: 220     median: 208.5 (20%)     max: 260 MFLOPS
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
100%
1 Z3745 +
min: 5496     avg: 7295     median: 6008.5 (10%)     max: 15635 ms
Sunspider - Sunspider 1.0 Total Score *
min: 423.6     avg: 671     median: 586 (6%)     max: 1002 ms
min: 423.3     avg: 606     median: 641 (7%)     max: 752.9 ms
Sunspider - Sunspider 0.9.1 Total Score *
100%
1 Z3745 +
min: 620.5     avg: 667     median: 666.5 (6%)     max: 712.5 ms
Octane V2 - Octane V2 Total Score
100%
1 Z3745 +
min: 3470     avg: 5214     median: 5189 (8%)     max: 6510 Points
Vellamo 3.x - Vellamo 3.x Metal
100%
1 Z3745 +
min: 1085     avg: 1127     median: 1107.5 (30%)     max: 1213 Points
Vellamo 3.x - Vellamo 3.x Multicore Beta
100%
1 Z3745 +
min: 1446     avg: 1493     median: 1474.5 (33%)     max: 1581 Points
Vellamo 3.x - Vellamo 3.x Browser
100%
1 Z3745 +
min: 2774     avg: 2964     median: 3011.5 (40%)     max: 3108 Points
Quadrant Standard Edition 2.0 - Quadrant Standard 2.0 Total Score
100%
1 Z3745 +
min: 17491     avg: 18396     median: 18279 (42%)     max: 19418 points
AnTuTu v4 - AnTuTu v4 Total Score
100%
1 Z3745 +
min: 31690     avg: 33031     median: 32811.5 (76%)     max: 34810 Points
AnTuTu v5 - AnTuTu v5 Total Score
100%
1 Z3745 +
min: 33318     avg: 34946     median: 33635 (34%)     max: 37656 Points
AnTuTu v6 - AnTuTu v6 Total Score
100%
1 Z3745 +
34692 Points (12%)
AndEBench - AndEBench Java
100%
1 Z3745 +
min: 875     avg: 958     median: 982 (30%)     max: 992 Iter./s
AndEBench - AndEBench Native
100%
1 Z3745 +
min: 14914     avg: 16893     median: 17437.5 (57%)     max: 17784 Iter./s
PassMark PerformanceTest Mobile V1 - PerformanceTest Mobile CPU Tests
100%
1 Z3745 +
min: 20763     avg: 26176     median: 27592 (4%)     max: 28757 Points
PCMark for Android - PCM f. Android Work Score
100%
1 Z3745 +
4298 Points (22%)

Average Benchmarks Intel Atom Z3740D → 100% n=12

Average Benchmarks Intel Atom Z3745 → 95% n=12

- 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)