Intel Core i7-4790T vs AMD Phenom II X3 B77

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CPU comparison with benchmarks


Intel Core i7-4790T CPU1 vs CPU2 AMD Phenom II X3 B77
Intel Core i7-4790T AMD Phenom II X3 B77

CPU comparison

In this CPU comparison, we compare the Intel Core i7-4790T and the AMD Phenom II X3 B77 and use benchmarks to check which processor is faster.

We compare the Intel Core i7-4790T 4 core processor released in Q2/2014 with the AMD Phenom II X3 B77 which has 3 CPU cores and was introduced in Q2/2010.
Intel Core i7 (298) Family AMD Phenom II (52)
Intel Core i 4000 (64) CPU group AMD Phenom II - 700 (9)
4 Generation 3
Haswell S Architecture Heka (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-4790T is a 4 core processor with a clock frequency of 2.70 GHz (3.90 GHz). The processor can compute 8 threads at the same time. The AMD Phenom II X3 B77 clocks with 3.20 GHz, has 3 CPU cores and can calculate 3 threads in parallel.

Intel Core i7-4790T Characteristic AMD Phenom II X3 B77
4 Cores 3
8 Threads 3
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.70 GHz Frequency 3.20 GHz
3.90 GHz Turbo Frequency (1 Core) --
3.20 GHz Turbo Frequency (All Cores) --

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 i7-4790T Characteristic AMD Phenom II X3 B77
-- 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 HD Graphics 4600 GPU no iGPU
0.35 GHz GPU frequency --
1.20 GHz GPU (Turbo) --
7.5 GPU Generation --
22 nm Technology
3 Max. displays
20 Compute units --
160 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.1 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 HD Graphics 4600 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-4790T, while the AMD Phenom II X3 B77 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

Intel Core i7-4790T Characteristic AMD Phenom II X3 B77
DDR3-1600 Memory DDR3-1333, DDR2-1066
32 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
8.00 MB L3 Cache 6.00 MB
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The Intel Core i7-4790T has a TDP of 45 W. The TDP of the AMD Phenom II X3 B77 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i7-4790T Characteristic AMD Phenom II X3 B77
45 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i7-4790T has 8.00 MB cache and is manufactured in 22 nm. The cache of AMD Phenom II X3 B77 is at 6.00 MB. The processor is manufactured in 45 nm.

Intel Core i7-4790T Characteristic AMD Phenom II X3 B77
22 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE3, SSE4a
LGA 1150 Socket AM3
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2014 Release date Q2/2010
275 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i7-4790T (100%)
AMD Phenom II X3 B77 (60%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i7-4790T (100%)
AMD Phenom II X3 B77 (46%)

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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.20 GHz
6335 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
3213 (51%)

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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.90 GHz
141 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
84 (60%)

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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.20 GHz
613 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
243 (40%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.90 GHz
955 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)

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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.90 GHz
912 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)

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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.20 GHz
3148 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)

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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.90 GHz
1186 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 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 i7-4790T Intel Core i7-4790T
4C 8T @ 3.20 GHz
3401 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 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 i7-4790T Intel Core i7-4790T
Intel HD Graphics 4600 @ 1.20 GHz
384 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Core i7-4790T AMD Phenom II X3 B77
Unknown Unknown

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