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NVIDIA Tegra K1 Performance and Power Consumption Revealed – Xiaomi MiPad To Ship With 32-Bit and 64-Bit Denver Powered Chips
NVIDIA Tegra K1 Performance and Power Consumption Revealed – Xiaomi MiPad To Ship With 32-Bit and 64-Bit Denver Powered Chips-December 2024
Dec 16, 2025 2:08 AM

NVIDIA revealed their Tegra K1 SOC at CES 2014 which will feature the latest Kepler cores along with the 32-bit ARM and 64-bit Denver cores. Yesterday, Xiaomiunveiled their upcoming XiaomiMiPad that is a 7.9" tablet and the first device to feature NVIDIA's Tegra K1 system on chip.Xiaomi MiPad Tegra K1

XiaomiMiPad To Ship With 32-Bit and 64-Bit Denver Powered Chips

Before heading to the main news, I would like to talk about the XiaomiMiPad which was introduced yesterday. The MiPad which is a 7.9" tablet features an IPS display bearing a resolution of2048x1536 and surrounded by a asymmetrical bezel, plus being available in several different colors which are a nice touch to its design scheme. The design specifications include an 8MP main camera on the back followed by a 5MP camera on the front and the design is mostly simplistic.

On the technical side, the XiaomiMiPad is the first tablet to feature NVIDIA's Tegra K1 SOC and would be sold in both 32-bit and 64-bit variants. The Tegra K1 SOC is built on a 28nm HPm process which holds true for the both variants. The dual core variant with Denver CPU and 7 Way superscalar compute will feature the 64-bit ARM v8 cores and 192 Kepler cores with clock frequency of 2.5 GHz while the 32-bit Quad core ARM variant will be clocked at 2.3 GHz. The 64-bit Denver model comes with 128KB + 64KB while the 32-bit variant comes with 128KB + 32KB L1 Cache. Both models will feature a 25.46 Whr (6700mAh) battery, 16 - 64 GB flash storage, Micro SD slots, 802.11 b/g/n wireless and Bluetooth 4.0. Both devices would feature support for Android 4.4 KitKat. Arriving in June 2014 (just around Computex), the price would be set around $240 for the 16 GB and $272 for the 64 GB variant.

NVIDIA Tegra K1 Specifications:NVIDIA Tegra K1

  NVIDIA Tegra K1 64-Bit NVIDIA Tegra K1 32-Bit NVIDIA Tegra 4 NVIDIA Tegra 3
Codename Logan Logan Wayne Kal-El
ARM Cores 2 Core (Multi-Thread) 4+1 4+1 4 Core
ARM Architecture 64-bit ARM v8 (Custom) 32-bit Cortex A15 32-bit Cortex A15 32-bit Cortex A9
GPU Architecture Kepler Kepler GeForce GPU GeForce GPU
GPU Cores 192 Core 192 Core 72 Core 12 Core
Process 28nm 28nm 28nm HPL 40nm LPG
Core Frequency 2.5 GHz 2.3 GHz 1.9 GHz 1.2 GHz
Memory Size 8 GB 8 GB 4 GB 2 GB
Memory Type DDR3L / LPDDR3 DDR3L / LPDDR3 DDR3L / LPDDR3 DDR3 / LPDDR2
Cache 128 K + 128 K L1 32K + 32K L1 32K + 32K L1 -
Launch 2014 2014 2013 2012

NVIDIA Tegra K1 Performance and Power Consumption RevealedNVIDIA Jetson TK1

With the devices out of the way, let's talk about the more technical bits such as performance and power numbers of the Tegra K1 devices.Power consumption results from Phoronix reveals some surprising numbers with a Jetson TK1 drawing less than 12W under any load while the SOC itself draws a power of just 6W which shows that Tegra K1 might just end up much better than previous Tegra chips. Some numbers are given below (Courtesyof Phoronix forums):

 Tesla K40 + CPU  Nvidia Tegra K1
Single Precision Peak  4.2 TeraFlops  326 GFlops
Single Precision SGEMM  3.8 TeraFlops  290 GFlops
Memory  12GB @ 288GB/s  2GB @ 14.9GB/s
Power (CPU + GPU) ~ 385Watt  <11Watts
Performance Per Watt  10SP GFlops Per Watt  26SP GFlops Per Watt

FULL SYSTEM JETSON TK1 DC POWER ANALYSIS Includes * Audio in/out Active * Gigabit Ethernet * USB 3 driving Keyboard, Mouse, Logitech C210 Webcam * HDMI out at 1920x1080 * Cooling Fan (no heat sink) * Installed 64GB SD card BASE MEASUREMENTS Fan Amp : 0.07A ( 0.85W) Idle Less System : 0.05A ( 0.61W)

TEST1 : glmark2 -s 1920x1080 --off-screen

Base : 0.22A ( 2.67W) Avg. Less Fan : 0.28A ( 3.40W) Base : 0.62A ( 7.53W) Avg. Less Fan : 0.81A ( 9.85W) Base : 0.29A ( 3.52W) Avg. Less Fan : 0.27A ( 3.28W)

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