Radeon R7 260X and Radeon HD 7770 - video card comparison
Passmark - benchmark score Radeon R7 260X vs Radeon HD 7770
Radeon R7 260X
3282
Radeon HD 7770
2235
Radeon R7 260X
Radeon HD 7770
Architecture
GCN 2.0 (2013−2017)
GCN (2011−2017)
GPU code name
Bonaire
Cape Verde
Market segment
Desktop
Desktop
Release date
October 2013
February 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin
1x 6-pin
Boost clock speed
1000 MHz
-
Core clock speed
-
1000 MHz
Floating-point performance
1,971 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
1,500 million
Pipelines / CUDA cores
896
640
Power consumption (TDP)
115 Watt
80 Watt
Texture fill rate
61.60
40.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
-
4500 MHz
Memory bandwidth
104 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
+
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
12 (11_1)
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
-
1.2.131
AppAcceleration
-
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-