Intel Pentium Gold G6505T vs Qualcomm Snapdragon 821

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CPU comparison with benchmarks


Intel Pentium Gold G6505T CPU1 vs CPU2 Qualcomm Snapdragon 821
Intel Pentium Gold G6505T Qualcomm Snapdragon 821

CPU comparison

In this CPU comparison, we compare the Intel Pentium Gold G6505T and the Qualcomm Snapdragon 821 and use benchmarks to check which processor is faster.

We compare the Intel Pentium Gold G6505T 2 core processor released in Q1/2021 with the Qualcomm Snapdragon 821 which has 4 CPU cores and was introduced in Q3/2016.
Intel Pentium (150) Family Qualcomm Snapdragon (104)
Intel Pentium G6000 (12) CPU group Qualcomm Snapdragon 820 (3)
10 Generation 3
Comet Lake S Architecture Kryo
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium Gold G6505T is a 2 core processor with a clock frequency of 3.60 GHz. The processor can compute 4 threads at the same time. The Qualcomm Snapdragon 821 clocks with 2.40 GHz, has 4 CPU cores and can calculate 4 threads in parallel.

Intel Pentium Gold G6505T Characteristic Qualcomm Snapdragon 821
2 Cores 4
4 Threads 4
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
3.60 GHz A-Core 2.40 GHz
2x Kryo
-- B-Core 1.60 GHz
2x Kryo

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.

Intel Pentium Gold G6505T Characteristic Qualcomm Snapdragon 821
-- AI hardware Qualcomm AI engine
-- AI specifications Hexagon 680
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 630 GPU Qualcomm Adreno 530
0.35 GHz GPU frequency 0.62 GHz
1.10 GHz GPU (Turbo) 0.62 GHz
9.5 GPU Generation 5
14 nm Technology 14 nm
3 Max. displays 0
24 Compute units --
192 Shader 256
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version 11,1

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 Qualcomm Adreno 530
Decode / Encode Codec h265 / HEVC (8 bit) Decode
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode
Decode / Encode Codec VP9 Decode
Decode / Encode Codec VP8 Decode
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Pentium Gold G6505T, while the Qualcomm Snapdragon 821 supports a maximum of 8 GB of memory with a maximum memory bandwidth of 14.9 GB/s enabled.

Intel Pentium Gold G6505T Characteristic Qualcomm Snapdragon 821
DDR4-2666 Memory LPDDR4-3733
128 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 14.9 GB/s
Yes ECC No
-- L2 Cache --
4.00 MB L3 Cache --
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The Intel Pentium Gold G6505T has a TDP of 35 W. The TDP of the Qualcomm Snapdragon 821 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Pentium Gold G6505T Characteristic Qualcomm Snapdragon 821
35 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
25 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Pentium Gold G6505T has 4.00 MB cache and is manufactured in 14 nm. The cache of Qualcomm Snapdragon 821 is at 0.00 MB. The processor is manufactured in 14 nm.

Intel Pentium Gold G6505T Characteristic Qualcomm Snapdragon 821
14 nm Technology 14 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4.1, SSE4.2 ISA extensions --
LGA 1200 Socket --
VT-x, VT-x EPT, VT-d Virtualization None
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Android
Q1/2021 Release date Q3/2016
90 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Pentium Gold G6505T (100%)
Qualcomm Snapdragon 821 (42%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Pentium Gold G6505T (100%)
Qualcomm Snapdragon 821 (42%)

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 G6505T Intel Pentium Gold G6505T
2C 4T @ 3.60 GHz
910 (100%)
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
341 (37%)

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 G6505T Intel Pentium Gold G6505T
2C 4T @ 3.60 GHz
2002 (100%)
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
864 (43%)

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 G6505T Intel Pentium Gold G6505T
2C 4T @ 3.60 GHz
788 (100%)
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
370 (47%)

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 G6505T Intel Pentium Gold G6505T
2C 4T @ 3.60 GHz
1745 (100%)
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
752 (43%)

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 G6505T Intel Pentium Gold G6505T
Intel HD Graphics 630 @ 1.10 GHz
422 (89%)
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
Qualcomm Adreno 530 @ 0.62 GHz
476 (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.
Intel Pentium Gold G6505T Intel Pentium Gold G6505T
2C 4T @ 3.60 GHz
3860 (100%)
Qualcomm Snapdragon 821 Qualcomm Snapdragon 821
4C 4T @ 2.40 GHz
1594 (41%)

Devices using this processor

Intel Pentium Gold G6505T Qualcomm Snapdragon 821
Unknown Unknown

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