Radeon RX 480 and Arc A770 - video card comparison
Passmark - benchmark score Radeon RX 480 vs Arc A770
Radeon RX 480
8883
Arc A770
10284
Radeon RX 480
Arc A770
Architecture
Polaris (2016−2019)
Alchemist
GPU code name
Polaris 10 Ellesmere
DG2-512
Market segment
Desktop
Desktop
Release date
June 2016
October 2022
Bus support
n/a
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Bridgeless CrossFire
1
-
Boost clock speed
1266 MHz
2400 MHz
Compute units
36
-
Core clock speed
1120 MHz
2100 MHz
Floating-point performance
5,834 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
5,700 million
21,700 million
Pipelines / CUDA cores
2304
4096
Power consumption (TDP)
150 Watt
225 Watt
Texture fill rate
182.3
614.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
8000 MHz
16000 MHz
Memory bandwidth
224 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1, 3x DisplayPort 2.0
Eyefinity
1
-
HDMI
2.0
+
DisplayPort support
1.4HDR
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
n/a
-
OpenCL
2.0
3.0
OpenGL
4.5
4.6
Shader Model
6.4
6.6
Vulkan
+
1.3
AppAcceleration
n/a
-
CrossFire
1
-
Enduro
n/a
-
FreeSync
+
-
FRTC
1
-
HD3D
n/a
-
LiquidVR
1
-
PowerTune
+
-
TressFX
1
-
TrueAudio
n/a
-
UVD
+
-
VCE
+
-
ZeroCore
+
-