Radeon RX Vega 64 Liquid Cooling vs GeForce GT 640 OEM

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Primary details

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

Place in the ranking935not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.33no data
ArchitectureKepler (2012−2018)GCN 5.0 (2017−2020)
GPU code nameGK107Vega 10
Market segmentDesktopDesktop
Release date24 April 2012 (12 years ago)7 August 2017 (7 years ago)
Launch price (MSRP)no data$699

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 cores3844096
Core clock speed797 MHz1408 MHz
Boost clock speedno data1668 MHz
Number of transistors1,270 million12,500 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)50 Watt345 Watt
Texture fill rate25.50427.0
Floating-point processing power0.6121 TFLOPS13.66 TFLOPS
ROPs1664
TMUs32256

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).

InterfacePCIe 3.0 x16PCIe 3.0 x16
Length145 mm282 mm
Width1-slot2-slot
Supplementary power connectorsNone2x 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 typeDDR3HBM2
Maximum RAM amount2 GB8 GB
Memory bus width128 Bit2048 Bit
Memory clock speed891 MHz945 MHz
Memory bandwidth28.51 GB/s483.8 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 Connectors1x DVI, 1x HDMI, 1x DisplayPort1x HDMI, 3x DisplayPort
HDMI++

API compatibility

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

DirectX12 (11_0)12 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.1.1261.1.125
CUDA3.0-

Pros & cons summary


Recency 24 April 2012 7 August 2017
Maximum RAM amount 2 GB 8 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 50 Watt 345 Watt

GT 640 OEM has 590% lower power consumption.

RX Vega 64 Liquid Cooling, on the other hand, has an age advantage of 5 years, a 300% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between GeForce GT 640 OEM and Radeon RX Vega 64 Liquid Cooling. We've got no test results to judge.


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

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NVIDIA GeForce GT 640 OEM
GeForce GT 640 OEM
AMD Radeon RX Vega 64 Liquid Cooling
Radeon RX Vega 64 Liquid Cooling

Comparisons with similar GPUs

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Community ratings

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3.9 35 votes

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4.6 24 votes

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