GPU DB

Back to All GPUs

GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

AMD Radeon R9 390

95%
95%

AMD Radeon RX 6500 XT

116%
116%
AMD Radeon RX 6500 XT is approximately 21% faster

Technical Specifications

SpecificationAMD Radeon R9 390AMD Radeon RX 6500 XT
Graphics ProcessorDifferent
Grenada
Navi 24
CoresDifferent
2560
1024
TMUsDifferent
160
64
ROPsDifferent
64
32
Memory SizeDifferent
8 GB
4 GB
Memory TypeDifferent
GDDR5
GDDR6
Bus WidthDifferent
512 bit
64 bit

Graphics Processor

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
GPU NameDifferent
Grenada
Navi 24
GPU VariantDifferent
Grenada PRO(215-0880030)
Navi 24 XT(215-135000006)
ArchitectureDifferent
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process SizeDifferent
28 nm
6 nm
TransistorsDifferent
6,200 million
5,400 million
DensityDifferent
14.2M / mm²
50.5M / mm²
Die SizeDifferent
438 mm²
107 mm²

Graphics Card

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
Release DateDifferent
Jun 18th, 2015
Jan 19th, 2022
GenerationDifferent
Pirate Islands(R9 300)
Navi II(RX 6000)
PredecessorDifferent
Volcanic Islands
Navi
SuccessorDifferent
Arctic Islands
Navi III
ProductionDifferent
End-of-life
Active
Launch PriceDifferent
329 USD
199 USD
Bus InterfaceDifferent
PCIe 3.0 x16
PCIe 4.0 x4
ReviewsDifferent
35 in our database
18 in our database

Clock Speeds

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
GPU ClockDifferent
1000 MHz
N/A
Memory ClockDifferent
1500 MHz6 Gbps effective
2248 MHz18 Gbps effective
Base ClockDifferent
N/A
2310 MHz
Game ClockDifferent
N/A
2610 MHz
Boost ClockDifferent
N/A
2815 MHz

Memory

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
Memory SizeDifferent
8 GB
4 GB
Memory TypeDifferent
GDDR5
GDDR6
Memory BusDifferent
512 bit
64 bit
BandwidthDifferent
384.0 GB/s
143.9 GB/s

Render Config

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
Shading UnitsDifferent
2560
1024
TMUsDifferent
160
64
ROPsDifferent
64
32
Compute UnitsDifferent
40
16
L1 CacheDifferent
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
1024 KB
RT CoresDifferent
N/A
16
L0 CacheDifferent
N/A
32 KB per WGP
L3 CacheDifferent
N/A
16 MB

Theoretical Performance

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
Pixel RateDifferent
64.00 GPixel/s
90.08 GPixel/s
Texture RateDifferent
160.0 GTexel/s
180.2 GTexel/s
FP32 (float)Different
5.120 TFLOPS
5.765 TFLOPS
FP64 (double)Different
640.0 GFLOPS (1:8)
360.3 GFLOPS (1:16)
FP16 (half)Different
N/A
11.53 TFLOPS (2:1)

Board Design

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
Slot Width
Dual-slot
Dual-slot
LengthDifferent
275 mm10.8 inches
N/A
HeightDifferent
109 mm4.3 inches
N/A
WidthDifferent
36 mm1.4 inches
N/A
TDPDifferent
275 W
107 W
Suggested PSUDifferent
600 W
300 W
OutputsDifferent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.11x DisplayPort 1.4a
Power ConnectorsDifferent
1x 6-pin + 1x 8-pin
1x 6-pin
Board NumberDifferent
109-C67157-00_02, C679
D632

Graphics Features

FeatureAMD Radeon R9 390AMD Radeon RX 6500 XT
DirectXDifferent
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCLDifferent
2.1
2.2
VulkanDifferent
1.2.170
1.3
Shader ModelDifferent
6.5
6.8

Comparison Summary

7
Specifications Compared
8
Feature Categories
53
Detailed Features

More Comparisons with AMD Radeon R9 390

Compare AMD Radeon R9 390 with other GPUs of similar performance

More Comparisons with AMD Radeon RX 6500 XT

Compare AMD Radeon RX 6500 XT with other GPUs of similar performance