GeForce RTX 3080 Ti 20 GB vs Radeon R9 390X

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Primary details

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

Place in the ranking283not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.21no data
Power efficiency6.18no data
ArchitectureGCN 2.0 (2013−2017)Ampere (2020−2025)
GPU code nameGrenadaGA102
Market segmentDesktopDesktop
Designreferenceno data
Release date18 June 2015 (10 years ago)January 2022 (3 years ago)
Launch price (MSRP)$429 $1,199

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

no data

Performance to price scatter graph

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 cores281610240
Core clock speedno data1335 MHz
Boost clock speed1050 MHz1665 MHz
Number of transistors6,200 million28,300 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)275 Watt350 Watt
Texture fill rate184.8532.8
Floating-point processing power5.914 TFLOPS34.1 TFLOPS
ROPs64112
TMUs176320
Tensor Coresno data320
Ray Tracing Coresno data80
L1 Cache704 KB10 MB
L2 Cache1024 KB6 MB

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).

Bus supportPCIe 3.0no data
InterfacePCIe 3.0 x16PCIe 4.0 x16
Length275 mm285 mm
Width2-slot2-slot
Supplementary power connectors1 x 6-pin, 1 x 8-pin1x 12-pin
Bridgeless CrossFire+-

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 typeGDDR5GDDR6X
High bandwidth memory (HBM)-no data
Maximum RAM amount0 MB20 GB
Memory bus width512 Bit320 Bit
Memory clock speed1050 MHz1188 MHz
Memory bandwidth384 GB/s760.3 GB/s
Shared memory--
Resizable BAR-+

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 Connectors2x DVI, 1x HDMI, 1x DisplayPort1x HDMI 2.1, 3x DisplayPort 1.4a
Eyefinity+-
Number of Eyefinity displays6no data
HDMI++
DisplayPort support+-

Supported technologies

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

CrossFire+-
FreeSync+-
PowerTune+-
TrueAudio+-
VCE+-
DDMA audio+no data

API and SDK support

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

DirectXDirectX® 1212 Ultimate (12_2)
Shader Model6.36.8
OpenGL4.64.6
OpenCL2.03.0
Vulkan+1.3
Mantle+-
CUDA-8.6
DLSS-+

Pros & cons summary


Chip lithography 28 nm 8 nm
Power consumption (TDP) 275 Watt 350 Watt

R9 390X has 27.3% lower power consumption.

RTX 3080 Ti 20 GB, on the other hand, has a 250% more advanced lithography process.

We couldn't decide between Radeon R9 390X and GeForce RTX 3080 Ti 20 GB. We've got no test results to judge.

Vote for your favorite

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AMD Radeon R9 390X
Radeon R9 390X
NVIDIA GeForce RTX 3080 Ti 20 GB
GeForce RTX 3080 Ti 20 GB

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.3 282 votes

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2.3 170 votes

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