C7A vs GeForce GTX 870M

Primary details

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

Place in performance ranking	479	not rated
Place by popularity	not in top-100	not in top-100
Architecture	Kepler (2012−2018)	Tesla (2006−2010)
GPU code name	N15P-GT	C7A
Market segment	Laptop	Desktop
Release date	12 March 2014 (10 years ago)	no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1344	16
CUDA cores	1344	no data
Core clock speed	941 MHz	no data
Number of transistors	3,540 million	210 million
Manufacturing process technology	28 nm	80 nm
Power consumption (TDP)	100 Watt	no data
Texture fill rate	108.3	no data
Floating-point performance	2.599 gflops	no data

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
Bus support	PCI Express 2.0, PCI Express 3.0	no data
Interface	MXM-B (3.0)	no data
Supplementary power connectors	None	no data
SLI options	+	-

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	GDDR5	no data
Maximum RAM amount	6 GB	no data
Standard memory configuration	GDDR5	no data
Memory bus width	192 Bit	no data
Memory clock speed	Up to 2500 MHz	no data
Memory bandwidth	120.0 GB/s	no data
Shared memory	-	no data

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	No outputs	no data
eDP 1.2 signal support	Up to 3840x2160	no data
LVDS signal support	Up to 1920x1200	no data
VGA аnalog display support	Up to 2048x1536	no data
DisplayPort Multimode (DP++) support	Up to 3840x2160	no data
HDMI	+	-
HDCP content protection	+	-
7.1 channel HD audio on HDMI	+	-
TrueHD and DTS-HD audio bitstreaming	+	-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

H.264, VC1, MPEG2 1080p video decoder	+	-
Optimus	+	-
PureVideo HD	no data	VP3

API compatibility

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

DirectX	12 (11_0)	11.1 (10_0)
Shader Model	5.1	4.0
OpenGL	4.5	3.3
OpenCL	1.1	N/A
Vulkan	1.1.126	N/A
CUDA	+	-

Pros & cons summary

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Chip lithography

28 nm

80 nm

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