GeForce RTX 5080 Mobile vs Radeon R9 390

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Primary details

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

Place in the ranking243not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation11.78no data
Power efficiency5.76no data
ArchitectureGCN 2.0 (2013−2017)Blackwell 2.0 (2025)
GPU code nameGrenadaGB203
Market segmentDesktopLaptop
Designreferenceno data
Release date18 June 2015 (9 years ago)2025
Launch price (MSRP)$329 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores25608192
Core clock speedno data1500 MHz
Boost clock speed1000 MHz2000 MHz
Number of transistors6,200 millionno data
Manufacturing process technology28 nm0 nm
Power consumption (TDP)275 Watt175 Watt
Texture fill rate160.0512.0
Floating-point processing power5.12 TFLOPS32.77 TFLOPS
ROPs6496
TMUs160256
Tensor Coresno data256
Ray Tracing Coresno data64

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 5.0 x16
Length275 mmno data
Width2-slotno data
Supplementary power connectors1 x 6-pin, 1 x 8-pinno data
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 typeGDDR5GDDR7
High bandwidth memory (HBM)-no data
Maximum RAM amount0 MB16 GB
Memory bus width512 Bit256 Bit
Memory clock speed1000 MHz2500 MHz
Memory bandwidth384 GB/s1.01 TB/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 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 compatibility

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-10.1

Pros & cons summary


Power consumption (TDP) 275 Watt 175 Watt

RTX 5080 Mobile has 57.1% lower power consumption.

We couldn't decide between Radeon R9 390 and GeForce RTX 5080 Mobile. We've got no test results to judge.

Be aware that Radeon R9 390 is a desktop card while GeForce RTX 5080 Mobile 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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AMD Radeon R9 390
Radeon R9 390
NVIDIA GeForce RTX 5080 Mobile
GeForce RTX 5080 Mobile

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