Intel Core i5-11600T vs AMD Phenom II X4 840T

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CPU comparison with benchmarks


Intel Core i5-11600T CPU1 vs CPU2 AMD Phenom II X4 840T
Intel Core i5-11600T AMD Phenom II X4 840T

CPU comparison

In this CPU comparison, we compare the Intel Core i5-11600T and the AMD Phenom II X4 840T and use benchmarks to check which processor is faster.

We compare the Intel Core i5-11600T 6 core processor released in Q1/2021 with the AMD Phenom II X4 840T which has 4 CPU cores and was introduced in Q3/2010.
Intel Core i5 (331) Family AMD Phenom II (52)
Intel Core i 11000 (22) CPU group AMD Phenom II - 800/900 (23)
11 Generation 4
Rocket Lake S Architecture Deneb (K10)
Desktop / Server Segment Desktop / Server
Intel Core i5-10600T Predecessor --
Intel Core i5-12600T Successor --

CPU Cores and Base Frequency

The Intel Core i5-11600T is a 6 core processor with a clock frequency of 1.70 GHz (4.10 GHz). The processor can compute 12 threads at the same time. The AMD Phenom II X4 840T clocks with 2.90 GHz (3.20 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

Intel Core i5-11600T Characteristic AMD Phenom II X4 840T
6 Cores 4
12 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
1.70 GHz Frequency 2.90 GHz
4.10 GHz Turbo Frequency (1 Core) 3.20 GHz
3.50 GHz Turbo Frequency (All Cores) 3.20 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i5-11600T Characteristic AMD Phenom II X4 840T
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 750 GPU no iGPU
0.35 GHz GPU frequency --
1.30 GHz GPU (Turbo) --
12 GPU Generation --
14 nm Technology
3 Max. displays
32 Compute units --
256 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel UHD Graphics 750 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-11600T, while the AMD Phenom II X4 840T supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

Intel Core i5-11600T Characteristic AMD Phenom II X4 840T
DDR4-3200 Memory DDR3-1333, DDR2-1066
128 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
3.00 MB L2 Cache --
12.00 MB L3 Cache 6.00 MB
4.0 PCIe version --
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The Intel Core i5-11600T has a TDP of 35 W. The TDP of the AMD Phenom II X4 840T is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-11600T Characteristic AMD Phenom II X4 840T
35 W TDP (PL1 / PBP) 95 W
84 W @ 28 s TDP (PL2) --
-- TDP up --
25 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i5-11600T has 15.00 MB cache and is manufactured in 14 nm. The cache of AMD Phenom II X4 840T is at 6.00 MB. The processor is manufactured in 45 nm.

Intel Core i5-11600T Characteristic AMD Phenom II X4 840T
14 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE3, SSE4a
LGA 1200 Socket AM3
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2021 Release date Q3/2010
213 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i5-11600T (100%)
AMD Phenom II X4 840T (35%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i5-11600T (100%)
AMD Phenom II X4 840T (21%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-11600T Intel Core i5-11600T
6C 12T @ 4.10 GHz
1326 (100%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
4C 4T @ 3.20 GHz
469 (35%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-11600T Intel Core i5-11600T
6C 12T @ 3.50 GHz
6127 (100%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
4C 4T @ 3.20 GHz
1578 (26%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i5-11600T Intel Core i5-11600T
6C 12T @ 3.50 GHz
13879 (100%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
4C 4T @ 3.20 GHz
2246 (16%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i5-11600T Intel Core i5-11600T
6C 12T @ 4.10 GHz
1856 (100%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
4C 4T @ 3.20 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i5-11600T Intel Core i5-11600T
6C 12T @ 3.50 GHz
6455 (100%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
4C 4T @ 3.20 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i5-11600T Intel Core i5-11600T
Intel UHD Graphics 750 @ 1.30 GHz
666 (100%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
@ 0.00 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-11600T Intel Core i5-11600T
6C 12T @ 4.10 GHz
0 (0%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
4C 4T @ 3.20 GHz
84 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-11600T Intel Core i5-11600T
6C 12T @ 3.50 GHz
0 (0%)
AMD Phenom II X4 840T AMD Phenom II X4 840T
4C 4T @ 3.20 GHz
324 (100%)

Devices using this processor

Intel Core i5-11600T AMD Phenom II X4 840T
Unknown Unknown

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