Tesla C870 vs GeForce GT 745M

Primary details

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

Place in the ranking	857	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	4.40	no data
Architecture	Kepler (2012−2018)	Tesla (2006−2010)
GPU code name	GK107	G80
Market segment	Laptop	Workstation
Release date	1 April 2013 (12 years ago)	2 May 2007 (18 years ago)
Launch price (MSRP)	no data	$1,499

Detailed specifications

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

Pipelines / CUDA cores	384	128
Core clock speed	549 MHz	600 MHz
Number of transistors	1,270 million	681 million
Manufacturing process technology	28 nm	90 nm
Power consumption (TDP)	45 Watt	171 Watt
Texture fill rate	17.57	38.40
Floating-point processing power	0.4216 TFLOPS	0.3456 TFLOPS
ROPs	16	24
TMUs	32	32
L1 Cache	32 KB	no data
L2 Cache	256 KB	96 KB

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	medium sized	no data
Bus support	PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Width	no data	2-slot
Supplementary power connectors	no data	2x 6-pin

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	GDDR3
Maximum RAM amount	2 GB	1536 MB
Standard memory configuration	DDR3/GDDR5	no data
Memory bus width	128 Bit	384 Bit
Memory clock speed	1000 MHz	800 MHz
Memory bandwidth	64 GB/s	76.8 GB/s
Shared memory	-	-

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
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.

Blu-Ray 3D Support	+	-
H.264, VC1, MPEG2 1080p video decoder	+	-
Optimus	+	-
3D Vision / 3DTV Play	+	-

API and SDK support

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

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

Pros & cons summary

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Recency	1 April 2013	2 May 2007
Maximum RAM amount	2 GB	1536 MB
Chip lithography	28 nm	90 nm
Power consumption (TDP)	45 Watt	171 Watt

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