Radeon R9 Nano and Radeon RX 6600 - video card comparison
Passmark - benchmark score Radeon R9 Nano vs Radeon RX 6600
Radeon R9 Nano
8741
Radeon RX 6600
15586
Radeon R9 Nano
Radeon RX 6600
Architecture
GCN 1.2 (2015−2016)
Navi / RDNA2 (2020−2022)
GPU code name
Fiji
Navi 23
Market segment
Desktop
Desktop
Release date
September 2015
October 2021
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
1x 8-pin
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
2491 MHz
Compute units
64
-
Core clock speed
-
2044 MHz
Floating-point performance
8,192 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
8,900 million
11,060 million
Pipelines / CUDA cores
4096
1792
Power consumption (TDP)
175 Watt
132 Watt
Texture fill rate
256.0
279.0
Memory type
High Bandwidth Memory (HBM)
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
4096 Bit
128 Bit
Memory clock speed
500 MHz
14500 MHz
Memory bandwidth
512 GB/s
224.0 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
12.0 Ultimate (12_2)
Mantle
+
-
OpenCL
2.0
2.1
OpenGL
4.5
4.6
Shader Model
6.3
6.5
Vulkan
+
1.2
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
-
TressFX
1
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
-