AMD Radeon R9 390 X2 vs AMD Radeon RX 6500 XT
GPU · Specs Compare
Graphics Card
Release Date
Sep 2015
Jan 2022
Generation
Pirate Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1350 MHz
2248 MHz
Base Clock
—
2310 MHz
Boost Clock
—
2815 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
512bit
64bit
Bandwidth
345.6GB/s
143.9GB/s
Render Config
Compute Units
40
16
Shading Units
2560
1024
TMUs
160
64
ROPs
64
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
1024 KB
RT Cores
—
16
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
90.08 GPixel/s
Texture Rate
160.0 GTexel/s
180.2 GTexel/s
FP32 (float)
5.120 TFLOPS
5.765 TFLOPS
FP64 (double)
640.0 GFLOPS
360.3 GFLOPS
FP16 (half)
—
11.53 TFLOPS
Graphics Processor
GPU Name
Grenada
Navi 24
GPU Variant
Grenada PRO(215-0880030)
Navi 24 XT(215-135000006)
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
6.2 billion
5.4 billion
Die Size
438 mm²
107 mm²
Board Design
TDP
580W
107W
Suggested PSU
950 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
4x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.