Tegra K1 vs GeForce Go 7900 GS

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	1334	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	1.62	no data
Architecture	Curie (2003−2013)	Kepler 2.0 (2013−2015)
GPU code name	G71	GK20A
Market segment	Laptop	Desktop
Release date	18 April 2006 (20 years ago)	no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.

Pipelines / CUDA cores	27	192
Core clock speed	375 MHz	756 MHz
Boost clock speed	375 MHz	951 MHz
Number of transistors	278 million	no data
Manufacturing process technology	90 nm	28 nm
Power consumption (TDP)	20 Watt	8 Watt
Texture fill rate	7.500	7.608
Floating-point processing power	no data	0.3652 TFLOPS
ROPs	16	4
TMUs	20	8

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop size	large	no data
Interface	MXM-II	IGP
Width	no data	IGP

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR3	System Shared
Maximum RAM amount	512 MB	System Shared
Memory bus width	256 Bit	System Shared
Memory clock speed	500 MHz	System Shared
Memory bandwidth	32 GB/s	no data
Shared memory	-	no data

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors

No outputs

No outputs

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	9.0c (9_3)	12 (11_0)
Shader Model	3.0	no data
OpenGL	2.1	ES 3.1
OpenCL	N/A	no data
Vulkan	N/A	-

Pros & cons summary

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Chip lithography	90 nm	28 nm
Power consumption (TDP)	20 Watt	8 Watt