Apple M1 Ultra (48-GPU) vs Intel Celeron 847

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CPU comparison with benchmarks


Apple M1 Ultra (48-GPU) CPU1 vs CPU2 Intel Celeron 847
Apple M1 Ultra (48-GPU) Intel Celeron 847

CPU comparison

In this CPU comparison, we compare the Apple M1 Ultra (48-GPU) and the Intel Celeron 847 and use benchmarks to check which processor is faster.

We compare the Apple M1 Ultra (48-GPU) 20 core processor released in Q1/2022 with the Intel Celeron 847 which has 2 CPU cores and was introduced in Q2/2011.
Apple M series (25) Family Intel Celeron (165)
Apple M1 (9) CPU group Intel Celeron 800 (2)
1 Generation 2
M1 Architecture Sandy Bridge U
Mobile Segment Mobile
-- Predecessor --
Apple M2 Ultra (60-GPU) Successor --

CPU Cores and Base Frequency

The Apple M1 Ultra (48-GPU) is a 20 core processor with a clock frequency of 0.60 GHz (3.20 GHz). The processor can compute 20 threads at the same time. The Intel Celeron 847 clocks with 1.10 GHz, has 2 CPU cores and can calculate 2 threads in parallel.

Apple M1 Ultra (48-GPU) Characteristic Intel Celeron 847
20 Cores 2
20 Threads 2
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading No
No Overclocking ? No
0.60 GHz (3.20 GHz)
16x Firestorm
A-Core 1.10 GHz
0.60 GHz (2.06 GHz)
4x Icestorm
B-Core --

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.

Apple M1 Ultra (48-GPU) Characteristic Intel Celeron 847
Apple Neural Engine AI hardware --
32 Neural cores @ 22 TOPS AI specifications --
-- 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.

Apple M1 Ultra (48 Core) GPU Intel HD Graphics (Sandy Bridge GT1)
0.39 GHz GPU frequency 0.35 GHz
1.30 GHz GPU (Turbo) 0.80 GHz
1 GPU Generation 6
5 nm Technology 32 nm
5 Max. displays 2
768 Compute units 6
6144 Shader 48
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 2 GB
-- DirectX Version 10.1

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.

Apple M1 Ultra (48 Core) GPU Intel HD Graphics (Sandy Bridge GT1)
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 128 GB of memory in a maximum of 8 memory channels is supported by the Apple M1 Ultra (48-GPU), while the Intel Celeron 847 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled.

Apple M1 Ultra (48-GPU) Characteristic Intel Celeron 847
LPDDR5-6400 Memory DDR3-1333
128 GB Max. Memory 16 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
819.2 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
52.00 MB L2 Cache --
-- L3 Cache 2.00 MB
4.0 PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 GB/s

Thermal Management

The Apple M1 Ultra (48-GPU) has a TDP of 60 W. The TDP of the Intel Celeron 847 is 17 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Apple M1 Ultra (48-GPU) Characteristic Intel Celeron 847
60 W TDP (PL1 / PBP) 17 W
-- TDP (PL2) --
120 W TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Apple M1 Ultra (48-GPU) has 52.00 MB cache and is manufactured in 5 nm. The cache of Intel Celeron 847 is at 2.00 MB. The processor is manufactured in 32 nm.

Apple M1 Ultra (48-GPU) Characteristic Intel Celeron 847
5 nm Technology 32 nm
Chiplet Chip design Monolithic
Armv8.5-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
Rosetta 2 x86-Emulation ISA extensions SSE4.1, SSE4.2
-- Socket BGA 1023
Apple Virtualization Framework Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
macOS Operating systems Windows 10, Linux
Q1/2022 Release date Q2/2011
-- Release price 134 $
show more data show more data


Rate these processors

Here you can rate the Apple M1 Ultra (48-GPU) to help other visitors make their purchasing decisions. The average rating is 4.5 stars (4 ratings). Rate now:
Here you can rate the Intel Celeron 847 to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Apple M1 Ultra (48-GPU) (100%)
Intel Celeron 847 (13%)
⌀ Multi core performance in 2 CPU benchmarks
Apple M1 Ultra (48-GPU) (100%)
Intel Celeron 847 (2%)

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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
1793 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
230 (13%)

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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
24055 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
405 (2%)

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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
Apple M1 Ultra (48 Core) @ 1.30 GHz
15900 (100%)
Intel Celeron 847 Intel Celeron 847
Intel HD Graphics (Sandy Bridge GT1) @ 0.80 GHz
77 (0%)

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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
41059 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
472 (1%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
114 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
1624 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
0 (0%)

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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
1534 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
0 (0%)

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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
24189 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
2397 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
23970 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
379 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 0.60 GHz
0 (0%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
200 (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.
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 3.20 GHz
0 (0%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
68 (100%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Apple M1 Ultra (48-GPU) Apple M1 Ultra (48-GPU)
20C 20T @ 0.60 GHz
22 (100%)
Intel Celeron 847 Intel Celeron 847
2C 2T @ 1.10 GHz
0 (0%)

Devices using this processor

Apple M1 Ultra (48-GPU) Intel Celeron 847
Apple Mac Studio (2022) Unknown

News and articles for the Apple M1 Ultra (48-GPU) and the Intel Celeron 847


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