Radeon Vega 7 vs GeForce GTX 645 OEM

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Primary details

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

Place in the rankingnot rated532
Place by popularitynot in top-10018
Power efficiencyno data11.38
ArchitectureKepler (2012−2018)GCN 5.1 (2018−2022)
GPU code nameGK106Cezanne
Market segmentDesktopLaptop
Release date22 April 2013 (11 years ago)13 April 2021 (3 years ago)

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 cores576448
Core clock speed824 MHz300 MHz
Boost clock speedno data1900 MHz
Number of transistors2,540 million9,800 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)65 Watt45 Watt
Texture fill rate39.5553.20
Floating-point processing power0.9492 TFLOPS1.702 TFLOPS
ROPs168
TMUs4828

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 x16IGP
Length147 mmno data
Width1-slotno data
Supplementary power connectorsNoneNone

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 typeGDDR5System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1000 MHzSystem Shared
Memory bandwidth64 GB/sno data
Shared memory-+

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 DisplayPortNo outputs
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
OpenCL1.22.1
Vulkan1.1.1261.2
CUDA3.0-

Pros & cons summary


Recency 22 April 2013 13 April 2021
Chip lithography 28 nm 7 nm
Power consumption (TDP) 65 Watt 45 Watt

Vega 7 has an age advantage of 7 years, a 300% more advanced lithography process, and 44.4% lower power consumption.

We couldn't decide between GeForce GTX 645 OEM and Radeon Vega 7. We've got no test results to judge.

Be aware that GeForce GTX 645 OEM is a desktop card while Radeon Vega 7 is a notebook one.


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 GTX 645 OEM
GeForce GTX 645 OEM
AMD Radeon Vega 7
Radeon Vega 7

Comparisons with similar GPUs

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Community ratings

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3.8 76 votes

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3.8 2091 vote

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Questions & comments

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