Radeon R7 265 and Radeon RX 7800 XT - video card comparison
Radeon R7 265
Radeon RX 7800 XT
Architecture
GCN 1.0 (2012−2020)
RDNA 3
GPU code name
Pitcairn
Navi 32
Market segment
Desktop
Desktop
Release date
February 2014
August 2023
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1 x 6-pin
2x 8-pin
Boost clock speed
925 MHz
2430 MHz
Floating-point performance
1,894 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
2,800 million
28,100 million
Pipelines / CUDA cores
1024
3840
Power consumption (TDP)
150 Watt
263 Watt
Texture fill rate
59.20
604.8
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1400 MHz
19500 MHz
Memory bandwidth
179.2 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1a, 3x DisplayPort 2.1
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
-
-
OpenCL
1.2
2.2
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-