AMD Ryzen 7 7840U
The AMD Ryzen 7 7840U is a fast high-end laptop processor of the Phoenix series and fastest model of the U-series. It offers 8 cores (octa core) based on the Zen 4 architecture that supports hyperthreading (16 threads). The cores clock from 3.3 (base) up to 5.1 GHz (single core boost). The processor includes 8 MB L2 cache and 16 MB L3 cache.
The performance of the R7 7840U is, depending on the workload, only slightly below the Ryzen 7 7840HS (higher base clock speed and TDP). Compared to the previous generation Ryzen 7 PRO 6850U , the 7840U is clearly faster thanks to the Zen 4 architecture and higher clock speeds.
The chip integrates a modern and fasts RDNA 3 graphics card (iGPU) called Radeon 780M with 12 CUs and up to 2.7 GHz clock speed. Furthermore, the Phoenix series include a video engine with AV1 de- and encoding, a new Xilinx FPGA based XDNA AI accelerator (Ryzen AI) that should be faster than the AI engine in the Apple M2 SOC and a dual-channel DDR5-5600 / LPDDR5x-7500 memory controller (with ECC support). The connectivity features includes 2 possible USB 4 (40 Gbps) ports and 20 PCIe 4.0 lanes for a GPU and SSDs.
The Phoenix series uses a single monolithic design (unlike the chiplet design of the 7045HX series) and is manufactured in the modern 4nm process at TSMC. The TDP can be configured between 15 and 30 Watt (28 Watt default).
Series AMD Phoenix (Zen 4, Ryzen 7040) Codename Phoenix (Zen 4) Series: Phoenix (Zen 4, Ryzen 7040) Phoenix (Zen 4) Clock Rate 3300 - 5100 MHz Level 1 Cache 512 KB Level 2 Cache 8 MB Level 3 Cache 16 MB Number of Cores / Threads 8 / 16 Power Consumption (TDP = Thermal Design Power) 15 Watt Manufacturing Technology 4 nm Die Size 178 mm2 Max. Temperature 100 °C GPU AMD Radeon 780M ( - 2700 MHz)64 Bit 64 Bit support Architecture x86 Announcement Date 05/03/2023 Product Link (external) AMD Phoenix (Zen 4, Ryzen 7040) R7 7840U
Benchmarks Performance Rating - CB R15 + R20 + 7-Zip + X265 + Blender + 3DM11 CPU
44.2 pt (65%)
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Cinebench R23 - Cinebench R23 Multi Core
min: 11829 avg: 12107 median: 12107 (20%) max: 12385 Points
CPU TDP ? TDP 25 W 96% 100%
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Cinebench R23 - Cinebench R23 Single Core
min: 1581 avg: 1651 median: 1651 (73%) max: 1721 Points
CPU TDP ? TDP 25 W 100% 92%
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Cinebench R20 - Cinebench R20 CPU (Single Core)
min: 611 avg: 640 median: 640 (74%) max: 669 Points
CPU TDP ? TDP 25 W 100% 91%
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Cinebench R20 - Cinebench R20 CPU (Multi Core)
min: 4722 avg: 4788 median: 4787.5 (20%) max: 4853 Points
CPU TDP ? TDP 25 W 97% 100%
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Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 1874 avg: 1934 median: 1934 (20%) max: 1994 Points
CPU TDP ? TDP 25 W 94% 100%
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0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 Tooltip Ayaneo Air 1S Retro Power : Ø1855 (1830.91-1873.89)
HP EliteBook 845 G10 5Z4X0ES: Ø1925 (1898.97-1993.92)
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 250 avg: 257 median: 257 (78%) max: 264 Points
CPU TDP ? TDP 25 W 100% 95%
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7-Zip 18.03 - 7-Zip 18.03 Multli Thread 4 runs
min: 53198 avg: 54758 median: 54757.5 (34%) max: 56317 MIPS
CPU TDP ? TDP 25 W 94% 100%
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7-Zip 18.03 - 7-Zip 18.03 Single Thread 4 runs
min: 5782 avg: 5873 median: 5873 (70%) max: 5964 MIPS
CPU TDP ? TDP 25 W 97% 100%
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HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
min: 14.6 avg: 14.7 median: 14.7 (32%) max: 14.8 fps
CPU TDP ? TDP 25 W 99% 100%
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0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Tooltip Ayaneo Air 1S Retro Power : Ø14.3 (0.52-17.3)
HP EliteBook 845 G10 5Z4X0ES: Ø14.5 (0.4-17.3)
Blender - Blender 3.3 Classroom CPU *
min: 421 avg: 427.5 median: 427.5 (5%) max: 434 Seconds
CPU TDP ? TDP 25 W 100% 100%
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Blender - Blender 2.79 BMW27 CPU *
min: 257 avg: 259.5 median: 259.5 (2%) max: 262 Seconds
CPU TDP ? TDP 25 W 100% 100%
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R Benchmark 2.5 - R Benchmark 2.5 *
min: 0.4651 avg: 0.5 median: 0.5 (10%) max: 0.48 sec
CPU TDP ? TDP 25 W 100% 100%
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3DMark 11 - 3DM11 Performance Physics
min: 14235 avg: 16337 median: 16337 (44%) max: 18439 Points
CPU TDP ? TDP 25 W 77% 100%
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3DMark - 3DMark Cloud Gate Physics
13466 Points (34%)
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3DMark - 3DMark Fire Strike Standard Physics
min: 18379 avg: 20319 median: 20319 (37%) max: 22259 Points
CPU TDP ? TDP 25 W 83% 100%
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3DMark - 3DMark Time Spy CPU
min: 6601 avg: 7526 median: 7525.5 (37%) max: 8450 Points
CPU TDP ? TDP 25 W 78% 100%
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Geekbench 6.1 - 6.2 - Geekbench 6.2 Single-Core
min: 2283 avg: 2336 median: 2336 (76%) max: 2389 points
CPU TDP ? TDP 25 W 96% 100%
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Geekbench 6.1 - 6.2 - Geekbench 6.2 Multi-Core
min: 7310 avg: 9146 median: 9146 (43%) max: 10982 points
CPU TDP ? TDP 25 W 67% 100%
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Geekbench 5.2 - 5.5 - Geekbench 5.1 - 5.4 64 Bit Single-Core
min: 1652 avg: 1688 median: 1687.5 (73%) max: 1723 points
CPU TDP ? TDP 25 W 96% 100%
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Geekbench 5.2 - 5.5 - Geekbench 5.1 - 5.4 64 Bit Multi-Core
min: 7399 avg: 8632 median: 8631.5 (30%) max: 9864 points
CPU TDP ? TDP 25 W 75% 100%
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Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 516 avg: 533 median: 533 (1%) max: 550 ms
CPU TDP ? TDP 25 W 100% 100%
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Octane V2 - Octane V2 Total Score
81820 Points (75%)
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WebXPRT 4 - WebXPRT 4 Score
min: 196.4 avg: 215.7 median: 215.7 (64%) max: 235 Points
CPU TDP ? TDP 25 W 84% 100%
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WebXPRT 3 - WebXPRT 3 Score
min: 235 avg: 266.5 median: 266.5 (56%) max: 298 Points
CPU TDP ? TDP 25 W 79% 100%
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CrossMark - CrossMark Overall
min: 1256 avg: 1400 median: 1400 (54%) max: 1544 Points
CPU TDP ? TDP 25 W 81% 100%
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Power Consumption - Prime95 Power Consumption - external Monitor *
33.1 Watt (6%)
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0 5 10 15 20 25 30 35 Tooltip HP EliteBook 845 G10 5Z4X0ES: Ø33.1 (32.5-39.5)
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
36.2 Watt (8%)
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0 5 10 15 20 25 30 35 40 Tooltip HP EliteBook 845 G10 5Z4X0ES: Ø36.2 (33.2-40.1)
Power Consumption - Idle Power Consumption - external Monitor *
3.4 Watt (3%)
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0 0.2 0.5 0.7 0.9 1.2 1.4 1.6 1.8 2.1 2.3 2.5 2.8 3 3.2 3.5 3.7 3.9 4.1 4.4 Tooltip HP EliteBook 845 G10 5Z4X0ES: Ø3.38 (2.94-4.6)
Power Consumption - Idle Power Consumption 150cd 1min *
4.1 Watt (5%)
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0 1 2 3 4 5 Tooltip HP EliteBook 845 G10 5Z4X0ES: Ø4.13 (3.75-5.08)
Power Consumption - Cinebench R15 Multi Power Efficiency - external Monitor
55.1 Points per Watt (41%)
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance