Intel Pentium Gold G6505 vs AMD Phenom II X3 B77

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CPU comparison with benchmarks


Intel Pentium Gold G6505 CPU1 vs CPU2 AMD Phenom II X3 B77
Intel Pentium Gold G6505 AMD Phenom II X3 B77

CPU comparison

Intel Pentium Gold G6505 or AMD Phenom II X3 B77 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Pentium Gold G6505 has 2 cores with 4 threads and clocks with a maximum frequency of 4.20 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Pentium Gold G6505 was released in Q1/2021.

The AMD Phenom II X3 B77 has 3 cores with 3 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X3 B77 was released in Q2/2010.
Intel Pentium (150) Family AMD Phenom II (52)
Intel Pentium G6000 (12) CPU group AMD Phenom II - 700 (9)
10 Generation 3
Comet Lake S Architecture Heka (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium Gold G6505 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Pentium Gold G6505 is 4.20 GHz while the AMD Phenom II X3 B77 has 3 CPU cores and 3 threads can calculate simultaneously. The clock frequency of the AMD Phenom II X3 B77 is at 3.20 GHz.

Intel Pentium Gold G6505 Characteristic AMD Phenom II X3 B77
2 Cores 3
4 Threads 3
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
4.20 GHz Frequency 3.20 GHz
-- Turbo Frequency (1 Core) --
-- 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 Pentium Gold G6505 Characteristic AMD Phenom II X3 B77
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Pentium Gold G6505 or AMD Phenom II X3 B77 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel HD Graphics 630 GPU no iGPU
0.35 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 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 HD Graphics 630 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 / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Pentium Gold G6505 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The AMD Phenom II X3 B77 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Pentium Gold G6505 Characteristic AMD Phenom II X3 B77
DDR4-2666 Memory DDR3-1333, DDR2-1066
128 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache --
4.00 MB L3 Cache 6.00 MB
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Pentium Gold G6505 is 58 W, while the AMD Phenom II X3 B77 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Pentium Gold G6505 Characteristic AMD Phenom II X3 B77
58 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Pentium Gold G6505 is manufactured in 14 nm and has 4.00 MB cache. The AMD Phenom II X3 B77 is manufactured in 45 nm and has a 6.00 MB cache.

Intel Pentium Gold G6505 Characteristic AMD Phenom II X3 B77
14 nm Technology 45 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 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 Q2/2010
90 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

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 Pentium Gold G6505 Intel Pentium Gold G6505
2C 4T @ 4.20 GHz
4400 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
3213 (73%)

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 Pentium Gold G6505 Intel Pentium Gold G6505
2C 4T @ 4.20 GHz
1082 (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 Pentium Gold G6505 Intel Pentium Gold G6505
2C 4T @ 4.20 GHz
2415 (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 Pentium Gold G6505 Intel Pentium Gold G6505
2C 4T @ 4.20 GHz
916 (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 Pentium Gold G6505 Intel Pentium Gold G6505
2C 4T @ 4.20 GHz
1977 (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 Pentium Gold G6505 Intel Pentium Gold G6505
Intel HD Graphics 630 @ 1.10 GHz
422 (100%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
@ 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 Pentium Gold G6505 Intel Pentium Gold G6505
2C 4T @ 4.20 GHz
0 (0%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 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 Pentium Gold G6505 Intel Pentium Gold G6505
2C 4T @ 4.20 GHz
0 (0%)
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
243 (100%)

Devices using this processor

Intel Pentium Gold G6505 AMD Phenom II X3 B77
Unknown Unknown

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