Radeon R9 270X and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon R9 270X vs UHD Graphics 770
Radeon R9 270X
5036
UHD Graphics 770
2844
Radeon R9 270X
UHD Graphics 770
Architecture
GCN (2011−2017)
Alder Lake
GPU code name
Curacao XT
Alder Lake xG
Market segment
Desktop
Desktop
Release date
October 2013
January 2022
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
Ring Bus
Supplementary power connectors
2 x 6-pin
-
Boost clock speed
1050 MHz
300 MHz
Floating-point performance
2,688 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
2,800 million
-
Pipelines / CUDA cores
1280
32
Power consumption (TDP)
180 Watt
15 Watt
Texture fill rate
84.00
26.40
Memory type
GDDR5
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
-
1550 MHz
Memory bandwidth
179.2 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 (12_1)
Mantle
-
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
+
1.3
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-