AMD Phenom II X3 B77 vs Intel Xeon W-11855M

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cpumonkey @ x @cpumonkey

CPU comparison with benchmarks


AMD Phenom II X3 B77 CPU1 vs CPU2 Intel Xeon W-11855M
AMD Phenom II X3 B77 Intel Xeon W-11855M

CPU comparison

AMD Phenom II X3 B77 or Intel Xeon W-11855M - 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 AMD Phenom II X3 B77 has 3 cores with 3 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X3 B77 was released in Q2/2010.

The Intel Xeon W-11855M has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon W-11855M was released in Q2/2021.
AMD Phenom II (52) Family Intel Xeon W (83)
AMD Phenom II - 700 (9) CPU group Intel Xeon W-11000M (8)
3 Generation 11
Heka (K10) Architecture Tiger Lake H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X3 B77 is a 3 core processor with a clock frequency of 3.20 GHz. The Intel Xeon W-11855M has 6 CPU cores with a clock frequency of 3.20 GHz (4.90 GHz).
AMD Phenom II X3 B77 Characteristic Intel Xeon W-11855M
3 Cores 6
3 Threads 12
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
3.20 GHz Frequency 3.20 GHz
-- Turbo Frequency (1 Core) 4.90 GHz
-- Turbo Frequency (All Cores) 3.80 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
AMD Phenom II X3 B77 Characteristic Intel Xeon W-11855M
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
no iGPU GPU Intel UHD Graphics 11th Gen (32 EU)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.45 GHz
-- GPU Generation 11
Technology 10 nm
Max. displays 3
-- Compute units 32
-- Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

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.
no iGPU GPU Intel UHD Graphics 11th Gen (32 EU)
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD Phenom II X3 B77 supports a maximum of GB of memory in 2 memory channels. The Intel Xeon W-11855M can connect up to 128 GB of memory in 2 memory channels.
AMD Phenom II X3 B77 Characteristic Intel Xeon W-11855M
DDR3-1333, DDR2-1066 Memory DDR4-3200
Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache --
6.00 MB L3 Cache 18.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Phenom II X3 B77 has a TDP of 95 W, that of the Intel Xeon W-11855M is 45 W.
AMD Phenom II X3 B77 Characteristic Intel Xeon W-11855M
95 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 35 W
-- Tjunction max. 100 °C

Technical details

The AMD Phenom II X3 B77 has a 6.00 MB cache, while the Intel Xeon W-11855M cache has a total of 18.00 MB.
AMD Phenom II X3 B77 Characteristic Intel Xeon W-11855M
45 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
AM3 Socket BGA 1787
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems
Q2/2010 Release date Q2/2021
-- Release price 450 $
show more data show more data


Rate these processors

Here you can rate the AMD Phenom II X3 B77 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Xeon W-11855M to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD Phenom II X3 B77 (0%)
Intel Xeon W-11855M (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Phenom II X3 B77 (17%)
Intel Xeon W-11855M (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
3213 (17%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
18367 (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
1540 (100%)

Cinebench R23 (Multi-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 multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
10518 (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
1642 (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
7968 (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
2142 (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
8624 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
599 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
4586 (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
@ 0.00 GHz
0 (0%)
Intel Xeon W-11855M Intel Xeon W-11855M
Intel UHD Graphics 11th Gen (32 EU) @ 1.45 GHz
742 (100%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
84 (100%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 4.90 GHz
0 (0%)

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.
AMD Phenom II X3 B77 AMD Phenom II X3 B77
3C 3T @ 3.20 GHz
243 (100%)
Intel Xeon W-11855M Intel Xeon W-11855M
6C 12T @ 3.80 GHz
0 (0%)

Devices using this processor
AMD Phenom II X3 B77 Intel Xeon W-11855M
Unknown Unknown

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