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Intel Core i5-6400T vs Intel Core i5-6400 vs Intel Core i5-6500T

Intel Core i5-6400T

► remove from comparison

The Intel Core i5-6400T is a frugal quad-core desktop processor based on the Skylake architecture, which was announced in August 2015. The CPU, which is manufactured in a 14 nm process, runs at 2.2-2.8 GHz and does not support Hyperthreading (only 4 threads simultaneously).

Architecture

Intel uses Skylake to replace both Broadwell as well as Haswell and therefore uses one core design for all TDP classes between 4.5-45 Watts. Several improvements of the Skylake architecture include bigger Out-to-Order-Buffer, optimizations for pre-fetching as well as bigger gains by Hyperthreading. However, the changes are small for a "Tock" – a new micro architecture – in general, so the per-MHz performance is only between 5-10 % (compared to Haswell) or less than 5 % higher (compared to Broadwell), respectively.

Performance

Depending on the utilization of Hyperthreading, the performance is roughly on par with the old Core i7-2670QM mobile processor (Sandy Bridge, 2.2-2.8 GHz, Hyperthreading), but sometimes also much higher.

Graphics

Graphics are handled by the integrated Intel HD Graphics 530 with 24 EUs (Execution Units), which is clocked at 350 - 950 MHz. Compared to the HD Graphics 4600 (Haswell, 20 EUs), the performance is increased by around 25 percent. The overall GPU performance is still low-end, so modern games can, if at all, only be played smoothly with low settings.

Power Consumption

Intel specifies the TDP with 35 Watts, so it can also be used in notebooks (although bigger ones).

Intel Core i5-6400

► remove from comparison

The Intel Core i5-6400 is a desktop class quad-core CPU. The additional 4 threads are not available to the CPU as it is missing the HyperThreading support. The i5-6400 is based on Skylake architecture and clocks within the 2.7 GHz to 3.3 GHz range. 

Intel Core i5-6500T

► remove from comparison

The Intel Core i5-6500T is a frugal quad-core desktop processor based on the Skylake architecture, which was announced in August 2015. The CPU, which is manufactured in a 14 nm process, runs at 2.5-3.1 GHz and does not support Hyperthreading (only 4 threads simultaneously).

Architecture

Intel uses Skylake to replace both Broadwell as well as Haswell and therefore uses one core design for all TDP classes between 4.5-45 Watts. Several improvements of the Skylake architecture include bigger Out-to-Order-Buffer, optimizations for pre-fetching as well as bigger gains by Hyperthreading. However, the changes are small for a "Tock" – a new micro architecture – in general, so the per-MHz performance is only between 5-10 % (compared to Haswell) or less than 5 % higher (compared to Broadwell), respectively.

Performance

The performance is a bit better compared to the old Sandy Bridge Core i5-2400 (3.1-3.4 GHz, no Hyperthreading either).

Graphics

Graphics are handled by the integrated Intel HD Graphics 530 with 24 EUs (Execution Units), which is clocked at 350 - 1100 MHz. Compared to the HD Graphics 4600 (Haswell, 20 EUs), the performance is increased by around 25 percent. The overall GPU performance is still low-end, so modern games can, if at all, only be played smoothly with low settings.

Power Consumption

Intel specifies the TDP with 35 Watts, so it can also be used in notebooks (although bigger ones).

Intel Core i5-6400TIntel Core i5-6400Intel Core i5-6500T
Intel Core i5 (Desktop)Intel Core i5 (Desktop)Intel Core i5 (Desktop)
SkylakeSkylakeSkylake
Series: Core i5 (Desktop) Skylake
Intel Core i5-6600K3.5 - 3.9 GHz4 / 46 MB
Intel Core i5-65003.2 - 3.6 GHz4 / 46 MB
Intel Core i5-6600T2.7 - 3.5 GHz4 / 46 MB
Intel Core i5-64002.7 - 3.3 GHz4 / 46 MB
Intel Core i5-6500T2.5 - 3.1 GHz4 / 46 MB
» Intel Core i5-6400T2.2 - 2.8 GHz4 / 46 MB
Intel Core i5-6600K3.5 - 3.9 GHz4 / 46 MB
Intel Core i5-65003.2 - 3.6 GHz4 / 46 MB
Intel Core i5-6600T2.7 - 3.5 GHz4 / 46 MB
» Intel Core i5-64002.7 - 3.3 GHz4 / 46 MB
Intel Core i5-6500T2.5 - 3.1 GHz4 / 46 MB
Intel Core i5-6400T2.2 - 2.8 GHz4 / 46 MB
Intel Core i5-6600K3.5 - 3.9 GHz4 / 46 MB
Intel Core i5-65003.2 - 3.6 GHz4 / 46 MB
Intel Core i5-6600T2.7 - 3.5 GHz4 / 46 MB
Intel Core i5-64002.7 - 3.3 GHz4 / 46 MB
» Intel Core i5-6500T2.5 - 3.1 GHz4 / 46 MB
Intel Core i5-6400T2.2 - 2.8 GHz4 / 46 MB
2200 - 2800 MHz2700 - 3300 MHz2500 - 3100 MHz
256 KB256 KB256 KB
1 MB1 MB1 MB
6 MB6 MB6 MB
4 / 44 / 44 / 4
35 65 35
14 14 14
FCLGA1151FCLGA1151FCLGA1151
DDR3(L)-1600/DDR4-2133 Memory Controller, AVX, AVX2, AES-NI, TSX-NI, Quick Sync, Virtualization, vProDDR3(L)-1600/DDR4-2133 Memory Controller, AVX, AVX2, AES-NI, TSX-NI, Quick Sync, Virtualization, vProDDR3(L)-1600/DDR4-2133 Memory Controller, AVX, AVX2, AES-NI, TSX-NI, Quick Sync, Virtualization, vPro
iGPUIntel HD Graphics 530 (350 - 950 MHz)Intel HD Graphics 530 (350 - 950 MHz)Intel HD Graphics 530 (350 - 1100 MHz)
Architecturex86x86x86
$192 U.S.$187 U.S.$192 U.S.
Intel Core i5 (Desktop) 6400TIntel Core i5 (Desktop) 6400Intel Core i5 (Desktop) 6500T

Benchmarks

Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
420 Points (9%)
121%
6400 +
510 Points (11%)
466 Points (10%)
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
119 Points (44%)
113%
6400 +
134 Points (49%)
128 Points (47%)
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
4.8 Points (10%)
123%
6400 +
5.9 Points (12%)
5.4 Points (11%)
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
1.4 Points (43%)
112%
6400 +
1.5 Points (48%)
1.5 Points (46%)
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
4397 (39%)
116%
6400 +
5088 (45%)
4880 (44%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
14798 (24%)
124%
6400 +
18297 (29%)
16462 (27%)
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
100%
1 6400T +
18940 Points (18%)
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
100%
1 6400T +
5740 Points (41%)
wPrime 2.10 - wPrime 2.0 1024m *
405 s (5%)
101%
6400 +
327 s (4%)
361 s (4%)
wPrime 2.10 - wPrime 2.0 32m *
12.9 s (3%)
100%
6400 +
10.5 s (2%)
11.6 s (2%)
WinRAR - WinRAR 4.0
100%
1 6400T +
2770 (18%)
106%
1 6500T +
2924 (19%)
X264 HD Benchmark 4.0 - x264 Pass 2
28.1 fps (13%)
121%
6400 +
33.9 fps (15%)
32.3 fps (15%)
X264 HD Benchmark 4.0 - x264 Pass 1
139 fps (41%)
108%
6400 +
150 fps (44%)
153 fps (45%)
TrueCrypt - TrueCrypt Serpent
0.2 GB/s (9%)
120%
6400 +
0.3 GB/s (11%)
0.3 GB/s (10%)
TrueCrypt - TrueCrypt Twofish
0.4 GB/s (10%)
119%
6400 +
0.4 GB/s (12%)
0.4 GB/s (11%)
TrueCrypt - TrueCrypt AES
2.2 GB/s (8%)
123%
6400 +
2.7 GB/s (10%)
2.5 GB/s (9%)
3DMark 06 - CPU - 3DMark 06 - CPU
100%
1 6400T +
5161 Points (29%)
113%
1 6500T +
5832 Points (32%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
13 s (3%)
100%
6400 +
12 s (3%)
12 s (3%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
29 s (1%)
100%
6400 +
27.6 s (1%)
27 s (1%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
681 s (3%)
100%
6400 +
660 s (3%)
622 s (3%)
3DMark 11 - 3DM11 Performance Physics
100%
1 6400T +
5475 Points (20%)
115%
1 6400 +
6283 Points (23%)
3DMark - 3DMark Ice Storm Physics
100%
1 6400T +
42400 Points (27%)
113%
1 6400 +
48092 Points (31%)
3DMark - 3DMark Ice Storm Extreme Physics
100%
1 6400 +
50839 Points (54%)
3DMark - 3DMark Ice Storm Unlimited Physics
100%
1 6400 +
53239 Points (55%)
3DMark - 3DMark Cloud Gate Physics
100%
1 6400T +
3887 Points (10%)
126%
1 6400 +
4894 Points (12%)
3DMark - 3DMark Fire Strike Standard Physics
100%
1 6400T +
5433 Points (14%)
127%
1 6400 +
6903 Points (17%)
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
100%
1 6400T +
8687 (15%)
111%
1 6500T +
9649 (17%)
Geekbench 3 - Geekbench 3 32 Bit Single-Core
100%
1 6400T +
3000 (62%)
108%
1 6500T +
3244 (67%)
Geekbench 3 - Geekbench 3 64 Bit Multi-Core
100%
1 6400T +
9133 (14%)
111%
1 6500T +
10107 (16%)
Geekbench 3 - Geekbench 3 64 Bit Single-Core
100%
1 6400T +
3131 (64%)
108%
1 6500T +
3389 (69%)
Sunspider - Sunspider 1.0 Total Score *
100%
1 6400T +
89.2 ms (1%)
100%
1 6400 +
82.9 ms (1%)

Average Benchmarks Intel Core i5-6400T → 100% n=16

Average Benchmarks Intel Core i5-6400 → 113% n=16

Average Benchmarks Intel Core i5-6500T → 108% n=16

- 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

v1.16
log 14. 12:27:35

#0 checking url part for id 8006 +0s ... 0s

#1 checking url part for id 9322 +0s ... 0s

#2 checking url part for id 8005 +0s ... 0s

#3 not redirecting to Ajax server +0s ... 0s

#4 did not recreate cache, as it is less than 5 days old! Created at Thu, 13 May 2021 13:07:46 +0200 +0s ... 0s

#5 composed specs +0.005s ... 0.005s

#6 did output specs +0s ... 0.005s

#7 getting avg benchmarks for device 8006 +0s ... 0.006s

#8 got single benchmarks 8006 +0.006s ... 0.012s

#9 getting avg benchmarks for device 9322 +0s ... 0.012s

#10 got single benchmarks 9322 +0.005s ... 0.017s

#11 getting avg benchmarks for device 8005 +0s ... 0.017s

#12 got single benchmarks 8005 +0.005s ... 0.022s

#13 got avg benchmarks for devices +0s ... 0.022s

#14 min, max, avg, median took s +0.019s ... 0.041s

#15 return log +0s ... 0.041s

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