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Radeon R9 380X and Arc A770 - video card comparison


Passmark - benchmark score Radeon R9 380X vs Arc A770

Radeon R9 380X
6380
Arc A770
10284

Radeon R9 380X

Arc A770


Architecture
GCN 3.0 (2014−2017)
Alchemist

GPU code name
Antigua
DG2-512

Market segment
Desktop
Desktop

Release date
November 2015
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

Bridgeless CrossFire
1
-

Boost clock speed
970 MHz
2400 MHz

Compute units
32
-

Core clock speed
-
2100 MHz

Floating-point performance
3,973 gflops
-

Manufacturing process technology
28 nm
6 nm

Number of transistors
5,000 million
21,700 million

Pipelines / CUDA cores
2048
4096

Power consumption (TDP)
190 Watt
225 Watt

Texture fill rate
124.2
614.4

Memory type
GDDR5
GDDR6

Maximum RAM amount
4 GB
16 GB

Memory bus width
256 Bit
256 Bit

Memory clock speed
970 MHz
16000 MHz

Memory bandwidth
182.4 GB/s
512.0 GB/s

High bandwidth memory (HBM)
-
-

Shared memory
-
-

Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 2.0

Eyefinity
1
-

Number of Eyefinity displays
6
-

HDMI
+
+

DisplayPort support
+
-

DirectX
DirectX® 12
12 Ultimate (12_2)

Mantle
+
-

OpenCL
2.0
3.0

OpenGL
4.5
4.6

Shader Model
6.3
6.6

Vulkan
+
1.3

AppAcceleration
-
-

CrossFire
1
-

DDMA audio
+
-

Enduro
-
-

FreeSync
1
-

FRTC
1
-

HD3D
+
-

LiquidVR
1
-

PowerTune
+
-

TrueAudio
+
-

VCE
+
-

ZeroCore
+
-