Radeon R9 295X2 and Radeon RX 7990 XTX - video card comparison
Radeon R9 295X2
Radeon RX 7990 XTX
Architecture
GCN 2.0 (2013−2017)
RDNA 3.0 (2022)
GPU code name
Vesuvius
Navi 31
Market segment
Desktop
Desktop
Release date
April 2014
2023
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2 x 8-pin
3x 8-pin
Boost clock speed
1018 MHz
3599 MHz
Floating-point performance
2x 5,733 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
6,200 million
57,700 million
Pipelines / CUDA cores
2816
6144
Power consumption (TDP)
500 Watt
405 Watt
Texture fill rate
179.2
1,382
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
24 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
1250 MHz
24 GB/s
Memory bandwidth
640 GB/s
1,152 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Eyefinity
1
-
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
6.7
Vulkan
+
1.3
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
-
-
UVD
+
-
ZeroCore
-
-