Radeon HD 6770 and Radeon 540 - video card comparison
Passmark - benchmark score Radeon HD 6770 vs Radeon 540
Radeon HD 6770
1286
Radeon 540
1420
Radeon HD 6770
Radeon 540
Architecture
TeraScale 2 (2009−2015)
GCN 4.0 (2016−2020)
GPU code name
Juniper
Lexa
Market segment
Desktop
Desktop
Release date
January 2011
April 2017
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
900 MHz
1124 MHz
Core clock speed
-
1183 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
1,040 million
2,200 million
Pipelines / CUDA cores
800
384
Power consumption (TDP)
108 Watt
50 Watt
Texture fill rate
34.00
28.39
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
32 Bit
Memory clock speed
1050 MHz
6 GB/s
Memory bandwidth
76.8 GB/s
24 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DisplayPort 1.4a
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.7
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-