Quadro RTX 8000 vs GeForce GT 640 Rev. 2

Place in the ranking	717	60
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.19	1.90
Power efficiency	5.16	13.68
Architecture	Kepler 2.0 (2013−2015)	Turing (2018−2022)
GPU code name	GK208	TU102
Market segment	Desktop	Workstation
Release date	29 May 2013 (11 years ago)	13 August 2018 (6 years ago)
Launch price (MSRP)	$89	$9,999

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RTX 8000 has 900% better value for money than GT 640 Rev. 2.

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	4608
Core clock speed	1046 MHz	1395 MHz
Boost clock speed	no data	1770 MHz
Number of transistors	915 million	18,600 million
Manufacturing process technology	28 nm	12 nm
Power consumption (TDP)	49 Watt	260 Watt
Texture fill rate	33.47	509.8
Floating-point processing power	0.8033 TFLOPS	16.31 TFLOPS
ROPs	8	96
TMUs	32	288
Tensor Cores	no data	576
Ray Tracing Cores	no data	72

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 2.0 x8	PCIe 3.0 x16
Length	145 mm	267 mm
Width	1-slot	2-slot
Supplementary power connectors	None	1x 6-pin + 1x 8-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	GDDR6
Maximum RAM amount	1 GB	48 GB
Memory bus width	64 Bit	384 Bit
Memory clock speed	1252 MHz	1750 MHz
Memory bandwidth	40.06 GB/s	672.0 GB/s

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	1x DVI, 1x HDMI, 1x VGA	4x DisplayPort, 1x USB Type-C
HDMI	+	-

API compatibility

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

DirectX	12 (11_0)	12 Ultimate (12_1)
Shader Model	5.1	6.5
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.2.131
CUDA	3.5	7.5

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	3.55	49.95
Recency	29 May 2013	13 August 2018
Maximum RAM amount	1 GB	48 GB
Chip lithography	28 nm	12 nm
Power consumption (TDP)	49 Watt	260 Watt

GT 640 Rev. 2 has 430.6% lower power consumption.

RTX 8000, on the other hand, has a 1307% higher aggregate performance score, an age advantage of 5 years, a 4700% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

The Quadro RTX 8000 is our recommended choice as it beats the GeForce GT 640 Rev. 2 in performance tests.

Be aware that GeForce GT 640 Rev. 2 is a desktop card while Quadro RTX 8000 is a workstation one.

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