Radeon R9 Nano and Radeon RX 5900 XT - video card comparison
Radeon R9 Nano
Radeon RX 5900 XT
Architecture
GCN 1.2 (2015−2016)
RDNA 2.0 (2020−2022)
GPU code name
Fiji
Navi 21
Market segment
Desktop
Desktop
Release date
September 2015
-
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
2x 8-pin
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
1735 MHz
Compute units
64
-
Floating-point performance
8,192 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
8,900 million
21,000 million
Pipelines / CUDA cores
4096
4352
Power consumption (TDP)
175 Watt
300 Watt
Texture fill rate
256.0
471.9
Memory type
High Bandwidth Memory (HBM)
GDDR6
Maximum RAM amount
4 GB
12 GB
Memory bus width
4096 Bit
384 Bit
Memory clock speed
500 MHz
14000 MHz
Memory bandwidth
512 GB/s
672.0 GB/s
High bandwidth memory (HBM)
+
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
+
-
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 Ultimate (12_1)
Mantle
+
-
OpenCL
2.0
-
OpenGL
4.5
4.6
Shader Model
6.3
-
Vulkan
+
-
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TressFX
1
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-