Radeon R9 270X and Arc A770 - video card comparison
Passmark - benchmark score Radeon R9 270X vs Arc A770
Radeon R9 270X
5036
Arc A770
10284
Radeon R9 270X
Arc A770
Architecture
GCN (2011−2017)
Alchemist
GPU code name
Curacao XT
DG2-512
Market segment
Desktop
Desktop
Release date
October 2013
October 2022
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
2 x 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1050 MHz
2400 MHz
Core clock speed
-
2100 MHz
Floating-point performance
2,688 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
2,800 million
21,700 million
Pipelines / CUDA cores
1280
4096
Power consumption (TDP)
180 Watt
225 Watt
Texture fill rate
84.00
614.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
16000 MHz
Memory bandwidth
179.2 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 2.0
Eyefinity
+
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
-
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
+
1.3
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-