GeForce GT 640 OEM Rebrand vs Quadro P4000

Primary details

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

Place in the ranking	182	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.32	no data
Power efficiency	21.07	no data
Architecture	Pascal (2016−2021)	Fermi 2.0 (2010−2014)
GPU code name	GP104	GF116
Market segment	Workstation	Desktop
Release date	6 February 2017 (7 years ago)	24 April 2012 (12 years ago)
Launch price (MSRP)	$815	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	1792	144
Core clock speed	1202 MHz	720 MHz
Boost clock speed	1480 MHz	no data
Number of transistors	7,200 million	1,170 million
Manufacturing process technology	16 nm	40 nm
Power consumption (TDP)	100 Watt	75 Watt
Texture fill rate	165.8	17.28
Floating-point processing power	5.304 TFLOPS	0.4147 TFLOPS
ROPs	64	24
TMUs	112	24

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).

Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	241 mm	145 mm
Width	1-slot	1-slot
Supplementary power connectors	1x 6-pin	None

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	DDR3
Maximum RAM amount	8 GB	1536 MB
Memory bus width	256 Bit	192 Bit
Memory clock speed	1901 MHz	800 MHz
Memory bandwidth	192 GB/s	38.4 GB/s
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	4x DisplayPort	2x DVI, 1x mini-HDMI
HDMI	-	+
Display Port	1.4	no data

Supported technologies

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

Optimus	+	-
3D Stereo	+	no data
Mosaic	+	no data
nView Display Management	+	no data
Optimus	+	no data

API compatibility

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

DirectX	12	12 (11_0)
Shader Model	6.4	5.1
OpenGL	4.5	4.6
OpenCL	1.2	1.1
Vulkan	+	N/A
CUDA	6.1	2.1

Pros & cons summary

---

Recency	6 February 2017	24 April 2012
Maximum RAM amount	8 GB	1536 MB
Chip lithography	16 nm	40 nm
Power consumption (TDP)	100 Watt	75 Watt

---

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

---