Radeon R9 290X and Radeon RX 6400 - video card comparison
Passmark - benchmark score Radeon R9 290X vs Radeon RX 6400
Radeon R9 290X
7648
Radeon RX 6400
7778
Radeon R9 290X
Radeon RX 6400
Architecture
GCN (2011−2017)
RDNA 2.0 (2020−2022)
GPU code name
Hawaii XT
Navi 24
Market segment
Desktop
Desktop
Release date
October 2013
January 2022
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
None
Boost clock speed
947 MHz
2321 MHz
Floating-point performance
5,632 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
6,200 million
5,400 million
Pipelines / CUDA cores
2816
768
Power consumption (TDP)
250 Watt
53 Watt
Texture fill rate
176.0
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
512 Bit
64 Bit
Memory clock speed
1250 MHz
16 GB/s
Memory bandwidth
320 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 1x DisplayPort 1.4a
Eyefinity
+
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
-
-
OpenCL
2.0
2.2
OpenGL
4.6
4.6
Shader Model
6.3
6.6
Vulkan
+
1.3
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-