Intel Core i7-940 | Intel Pentium 3825U | |
CPU comparisonIntel Core i7-940 or Intel Pentium 3825U - 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 i7-940 has 4 cores with 8 threads and clocks with a maximum frequency of 3.20 GHz. Up to 24 GB of memory is supported in 3 memory channels. The Intel Core i7-940 was released in Q4/2008. The Intel Pentium 3825U has 2 cores with 4 threads and clocks with a maximum frequency of 1.90 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Pentium 3825U was released in Q1/2015. |
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Intel Core i7 (298) | Family | Intel Pentium (150) |
Intel Core i7 900 (7) | CPU group | Intel Pentium 3000 (8) |
1 | Generation | 4 |
Bloomfield | Architecture | Haswell U |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-940 has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i7-940 is 2.93 GHz (3.20 GHz) while the Intel Pentium 3825U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium 3825U is at 1.90 GHz. |
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Intel Core i7-940 | Characteristic | Intel Pentium 3825U |
4 | Cores | 2 |
8 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.93 GHz | Frequency | 1.90 GHz |
3.20 GHz | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The Intel Core i7-940 or Intel Pentium 3825U 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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no iGPU | GPU | Intel HD Graphics (Broadwell GT1) |
GPU frequency | 0.30 GHz | |
-- | GPU (Turbo) | 0.85 GHz |
-- | GPU Generation | 8 |
Technology | 14 nm | |
Max. displays | 3 | |
-- | Compute units | 12 |
-- | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
-- | DirectX Version | 11.2 |
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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no iGPU | GPU | Intel HD Graphics (Broadwell GT1) |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode |
Memory & PCIeThe Intel Core i7-940 can use up to 24 GB of memory in 3 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Pentium 3825U supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s. |
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Intel Core i7-940 | Characteristic | Intel Pentium 3825U |
DDR3-1066 | Memory | DDR3-1600 |
24 GB | Max. Memory | 16 GB |
3 | Memory channels | 2 (Dual Channel) |
25.6 GB/s | Max. Bandwidth | 25.6 GB/s |
No | ECC | No |
1.00 MB | L2 Cache | -- |
8.00 MB | L3 Cache | 2.00 MB |
-- | PCIe version | 2.0 |
-- | PCIe lanes | 12 |
-- | PCIe Bandwidth | 6.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-940 is 130 W, while the Intel Pentium 3825U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i7-940 | Characteristic | Intel Pentium 3825U |
130 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-940 is manufactured in 45 nm and has 9.00 MB cache. The Intel Pentium 3825U is manufactured in 22 nm and has a 2.00 MB cache. |
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Intel Core i7-940 | Characteristic | Intel Pentium 3825U |
45 nm | Technology | 22 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2 |
LGA 1366 | Socket | BGA 1168 |
VT-x, VT-x EPT | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2008 | Release date | Q1/2015 |
305 $ | Release price | 145 $ |
show more data | show more data | |
Intel Core i7-940
4C 8T @ 3.20 GHz |
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Intel Pentium 3825U
2C 4T @ 1.90 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Pentium 3825U
2C 4T @ 1.90 GHz |
Intel Core i7-940
4C 8T @ 3.20 GHz |
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Intel Pentium 3825U
2C 4T @ 1.90 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Pentium 3825U
2C 4T @ 1.90 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Pentium 3825U
2C 4T @ 1.90 GHz |
Intel Core i7-940
@ 0.00 GHz |
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Intel Pentium 3825U
Intel HD Graphics (Broadwell GT1) @ 0.85 GHz |
Intel Core i7-940
4C 8T @ 3.20 GHz |
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Intel Pentium 3825U
2C 4T @ 1.90 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Pentium 3825U
2C 4T @ 1.90 GHz |
Devices using this processor |
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Intel Core i7-940 | Intel Pentium 3825U |
Unknown | Unknown |