GeForce RTX 5080 vs Radeon R9 390

Place in the ranking	246	5
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	11.83	36.63
Power efficiency	5.80	16.27
Architecture	GCN 2.0 (2013−2017)	Blackwell 2.0 (2025)
GPU code name	Grenada	GB203
Market segment	Desktop	Desktop
Design	reference	no data
Release date	18 June 2015 (9 years ago)	30 January 2025 (recently)
Launch price (MSRP)	$329	$999

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RTX 5080 has 210% better value for money than R9 390.

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	2560	10752
Core clock speed	no data	2295 MHz
Boost clock speed	1000 MHz	2617 MHz
Number of transistors	6,200 million	45,600 million
Manufacturing process technology	28 nm	4 nm
Power consumption (TDP)	275 Watt	360 Watt
Texture fill rate	160.0	879.3
Floating-point processing power	5.12 TFLOPS	56.28 TFLOPS
ROPs	64	128
TMUs	160	336
Tensor Cores	no data	336
Ray Tracing Cores	no data	84

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 support	PCIe 3.0	no data
Interface	PCIe 3.0 x16	PCIe 5.0 x16
Length	275 mm	304 mm
Width	2-slot	2-slot
Supplementary power connectors	1 x 6-pin, 1 x 8-pin	1x 16-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 type	GDDR5	GDDR7
High bandwidth memory (HBM)	-	no data
Maximum RAM amount	0 MB	16 GB
Memory bus width	512 Bit	256 Bit
Memory clock speed	1000 MHz	1875 MHz
Memory bandwidth	384 GB/s	960.0 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	2x DVI, 1x HDMI, 1x DisplayPort	1x HDMI 2.1b, 3x DisplayPort 2.1b
Eyefinity	+	-
Number of Eyefinity displays	6	no 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.

DirectX	DirectX® 12	12 Ultimate (12_2)
Shader Model	6.3	6.8
OpenGL	4.6	4.6
OpenCL	2.0	3.0
Vulkan	+	1.4
Mantle	+	-
CUDA	-	10.1

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

R9 390 23.16

RTX 5080 85.08
+267%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

R9 390 8902

RTX 5080 32698
+267%

Gaming performance

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

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2

9−10

+0%

9−10

+0%

Full HD
Medium Preset

Counter-Strike 2	9−10 +0%	9−10 +0%
Red Dead Redemption 2	3−4 +0%	3−4 +0%

Full HD
High Preset

Counter-Strike 2	9−10 +0%	9−10 +0%
Far Cry 5	5−6 +0%	5−6 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	4−5 +0%	4−5 +0%
Red Dead Redemption 2	3−4 +0%	3−4 +0%
The Witcher 3: Wild Hunt	4−5 +0%	4−5 +0%
World of Tanks	8−9 +0%	8−9 +0%

Full HD
Ultra Preset

Counter-Strike 2	9−10 +0%	9−10 +0%
Far Cry 5	5−6 +0%	5−6 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	4−5 +0%	4−5 +0%

1440p
Ultra Preset

Far Cry 5	4−5 +0%	4−5 +0%
Valorant	4−5 +0%	4−5 +0%

4K
High Preset

Counter-Strike 2	7−8 +0%	7−8 +0%
Dota 2	14−16 +0%	14−16 +0%

4K
Ultra Preset

Counter-Strike 2	7−8 +0%	7−8 +0%
Valorant	0−1	0−1

All in all, in popular games:

there's a draw in 17 tests (100%)

Pros & cons summary

Performance score	23.16	85.08
Recency	18 June 2015	30 January 2025
Chip lithography	28 nm	4 nm
Power consumption (TDP)	275 Watt	360 Watt

R9 390 has 30.9% lower power consumption.

RTX 5080, on the other hand, has a 267.4% higher aggregate performance score, an age advantage of 9 years, and a 600% more advanced lithography process.

The GeForce RTX 5080 is our recommended choice as it beats the Radeon R9 390 in performance tests.

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