Intel Celeron J3455 vs Intel Pentium G840

Comparative analysis of Intel Celeron J3455 and Intel Pentium G840 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the Intel Celeron J3455

  • 2 more cores, run more applications at once: 4 vs 2
  • 2 more threads: 4 vs 2
  • Around 52% higher maximum core temperature: 105°C vs 69.1°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
  • 6.5x lower typical power consumption: 10 Watt vs 65 Watt
  • Around 80% better performance in PassMark - CPU mark: 2256 vs 1253
  • Around 8% better performance in Geekbench 4 - Multi-Core: 1009 vs 935
Specifications (specs)
Number of cores 4 vs 2
Number of threads 4 vs 2
Maximum core temperature 105°C vs 69.1°C
Manufacturing process technology 14 nm vs 32 nm
Thermal Design Power (TDP) 10 Watt vs 65 Watt
Benchmarks
PassMark - CPU mark 2256 vs 1253
Geekbench 4 - Multi-Core 1009 vs 935

Reasons to consider the Intel Pentium G840

  • Around 22% higher clock speed: 2.8 GHz vs 2.30 GHz
  • 4x more maximum memory size: 32 GB vs 8 GB
  • Around 56% better performance in PassMark - Single thread mark: 1271 vs 813
  • Around 74% better performance in Geekbench 4 - Single Core: 514 vs 295
Specifications (specs)
Maximum frequency 2.8 GHz vs 2.30 GHz
Maximum memory size 32 GB vs 8 GB
Benchmarks
PassMark - Single thread mark 1271 vs 813
Geekbench 4 - Single Core 514 vs 295

Compare benchmarks

CPU 1: Intel Celeron J3455
CPU 2: Intel Pentium G840

PassMark - Single thread mark
CPU 1
CPU 2
813
1271
PassMark - CPU mark
CPU 1
CPU 2
2256
1253
Geekbench 4 - Single Core
CPU 1
CPU 2
295
514
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1009
935
Name Intel Celeron J3455 Intel Pentium G840
PassMark - Single thread mark 813 1271
PassMark - CPU mark 2256 1253
Geekbench 4 - Single Core 295 514
Geekbench 4 - Multi-Core 1009 935
GFXBench 4.0 - Car Chase Offscreen (Frames) 628
GFXBench 4.0 - Manhattan (Frames) 1046
GFXBench 4.0 - T-Rex (Frames) 1735
GFXBench 4.0 - Car Chase Offscreen (Fps) 628
GFXBench 4.0 - Manhattan (Fps) 1046
GFXBench 4.0 - T-Rex (Fps) 1735

Compare specifications (specs)

Intel Celeron J3455 Intel Pentium G840

Essentials

Architecture codename Apollo Lake Sandy Bridge
Launch date Q3'16 May 2011
Place in performance rating 2399 2390
Processor Number J3455 G840
Series Intel® Celeron® Processor J Series Legacy Intel® Pentium® Processor
Status Launched Discontinued
Vertical segment Desktop Desktop
Launch price (MSRP) $60
Price now $34.99
Value for money (0-100) 21.58

Performance

64 bit support
Base frequency 1.50 GHz 2.80 GHz
Manufacturing process technology 14 nm 32 nm
Maximum core temperature 105°C 69.1°C
Maximum frequency 2.30 GHz 2.8 GHz
Number of cores 4 2
Number of threads 4 2
Bus Speed 5 GT/s DMI
Die size 131 mm
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 3072 KB (shared)
Transistor count 504 million

Memory

Max memory channels 2 2
Maximum memory size 8 GB 32 GB
Supported memory types DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s DDR3 1066/1333
Maximum memory bandwidth 21 GB/s

Graphics

Execution Units 12
Graphics base frequency 250 MHz 850 MHz
Graphics max frequency 750 MHz 1.1 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 8 GB
Processor graphics Intel® HD Graphics 500 Intel HD Graphics
Graphics max dynamic frequency 1.10 GHz
Intel® Flexible Display Interface (Intel® FDI)

Graphics interfaces

DisplayPort
eDP
HDMI
MIPI-DSI
Number of displays supported 3 2
Wireless Display (WiDi) support

Graphics API support

DirectX Yes
OpenGL Yes

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 24mm x 31mm 37.5mm x 37.5mm
Sockets supported FCBGA1296 FCLGA1155
Thermal Design Power (TDP) 10 Watt 65 Watt

Peripherals

Integrated LAN
Max number of PCIe lanes 6
Max number of SATA 6 Gb/s Ports 2
Number of USB ports 8
PCI Express revision 2.0 2.0
PCIe configurations 1x4 + 1x2 or 4x1 or 2x1+1x2 + 1x2
Total number of SATA ports 2
UART
USB revision 2.0/3.0

Security & Reliability

Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
HD Audio
Idle States
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Rapid Storage technology (RST)
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Smart Connect
Thermal Monitoring
Flexible Display interface (FDI)
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2
Intel® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
Intel® Flex Memory Access

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® Virtualization Technology for Itanium (VT-i)
Intel® VT-x with Extended Page Tables (EPT)