Intel Core i9-14900T vs Intel Core 2 Extreme QX6800
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CPU comparison with benchmarks
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| Intel Core i9-14900T | Intel Core 2 Extreme QX6800 | |
CPU comparisonIntel Core i9-14900T or Intel Core 2 Extreme QX6800 - 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 Core i9-14900T has 24 cores with 32 threads and clocks with a maximum frequency of 5.50 GHz. Up to 192 GB of memory is supported in 2 memory channels. The Intel Core i9-14900T was released in Q1/2024. The Intel Core 2 Extreme QX6800 has 4 cores with 4 threads and clocks with a maximum frequency of 2.93 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Extreme QX6800 was released in Q2/2007. |
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| Intel Core i9 (78) | Family | Intel Core2 Extreme (7) |
| Intel Core i 14000 (23) | CPU group | Intel Core 2 Extreme QX6000 (3) |
| 14 | Generation | 1 |
| Raptor Lake S Refresh | Architecture | Kentsfield (Core) |
| Desktop / Server | Segment | Desktop / Server |
| Intel Core i9-13900T | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-14900T has 24 CPU cores and can calculate 32 threads in parallel. The clock frequency of the Intel Core i9-14900T is 1.10 GHz (5.50 GHz) while the Intel Core 2 Extreme QX6800 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core 2 Extreme QX6800 is at 2.93 GHz. |
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| Intel Core i9-14900T | Characteristic | Intel Core 2 Extreme QX6800 |
| 24 | Cores | 4 |
| 32 | Threads | 4 |
| hybrid (big.LITTLE) | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | Yes |
| 1.10 GHz (5.50 GHz) 8x Raptor Cove |
A-Core | 2.93 GHz |
| 0.80 GHz (4.00 GHz) 16x Gracemont |
B-Core | -- |
Integrated graphics (iGPU)The Intel Core i9-14900T or Intel Core 2 Extreme QX6800 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. |
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| Intel UHD Graphics 770 | GPU | no iGPU |
| 0.30 GHz | GPU frequency | -- |
| 1.65 GHz | GPU (Turbo) | -- |
| 11 | GPU Generation | -- |
| 10 nm | Technology | |
| 3 | Max. displays | |
| 32 | Compute units | -- |
| 256 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 GB | Max. GPU Memory | -- |
| 12 | DirectX Version | -- |
Hardware codec supportA 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. |
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| Intel UHD Graphics 770 | 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 |
| Decode | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core i9-14900T can use up to 192 GB of memory in 2 memory channels. The maximum memory bandwidth is 89.6 GB/s. The Intel Core 2 Extreme QX6800 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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| Intel Core i9-14900T | Characteristic | Intel Core 2 Extreme QX6800 |
| DDR5-5600, DDR4-3200 | Memory | DDR3-1066, DDR2-800 |
| 192 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 89.6 GB/s | Max. Bandwidth | 17.1 GB/s |
| Yes | ECC | No |
| 32.00 MB | L2 Cache | 8.00 MB |
| 36.00 MB | L3 Cache | -- |
| 5.0 | PCIe version | -- |
| 20 | PCIe lanes | -- |
| 78.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-14900T is 35 W, while the Intel Core 2 Extreme QX6800 has a TDP of 130 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i9-14900T | Characteristic | Intel Core 2 Extreme QX6800 |
| 35 W | TDP (PL1 / PBP) | 130 W |
| 106 W | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i9-14900T is manufactured in 10 nm and has 68.00 MB cache. The Intel Core 2 Extreme QX6800 is manufactured in 65 nm and has a 8.00 MB cache. |
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| Intel Core i9-14900T | Characteristic | Intel Core 2 Extreme QX6800 |
| 10 nm | Technology | 65 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX2+ | ISA extensions | MMX, SSE2, SSE3 |
| LGA 1700 | Socket | LGA 775 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q1/2024 | Release date | Q2/2007 |
| -- | Release price | -- |
| show more data | show more data | |
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24C 32T @ 1.10 GHz (5.50 GHz) buy now on Amazon and save!
4C 4T @ 2.93 GHz buy now on Amazon and save!
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Rate these processors
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.
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Intel Core i9-14900T
24C 32T @ 5.50 GHz |
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Intel Core 2 Extreme QX6800
4C 4T @ 2.93 GHz |
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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.
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Intel Core i9-14900T
24C 32T @ 5.10 GHz |
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Intel Core 2 Extreme QX6800
4C 4T @ 2.93 GHz |
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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.
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Intel Core i9-14900T
Intel UHD Graphics 770 @ 1.65 GHz |
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Intel Core 2 Extreme QX6800
@ 0.00 GHz |
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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.
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Intel Core i9-14900T
24C 32T @ 5.10 GHz |
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Intel Core 2 Extreme QX6800
4C 4T @ 2.93 GHz |
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Devices using this processor |
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| Intel Core i9-14900T | Intel Core 2 Extreme QX6800 |
| Unknown | Unknown |
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