Radeon HD 5770 and Radeon R5 M255 - video card comparison
Passmark - benchmark score Radeon HD 5770 vs Radeon R5 M255
Radeon HD 5770
1756
Radeon R5 M255
550
Radeon HD 5770
Radeon R5 M255
Architecture
Terascale 2 (2009−2015)
GCN (2011−2017)
GPU code name
Juniper
Topaz Pro / Sun
Market segment
Desktop
Laptop
Release date
October 2009
May 2014
Bus support
-
PCIe 3.0 x8
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
940 MHz
Compute units
-
5
Core clock speed
850 MHz
940 MHz
Floating-point performance
1,360.0 gflops
721.9 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,040 million
1,550 million
Pipelines / CUDA cores
800
320
Power consumption (TDP)
108 Watt
-
Texture fill rate
34.00
22.56
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4800 MHz
1000 MHz
Memory bandwidth
76.8 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
-
+
HDMI
+
-
DirectX
11.2 (11_0)
DirectX® 11
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.4
4.4
Shader Model
5.0
6.3
Vulkan
N/A
-
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+