Radeon HD 7770 and GeForce GTX 960 OEM - video card comparison
Radeon HD 7770
GeForce GTX 960 OEM
Architecture
GCN (2011−2017)
Maxwell 2.0 (2015−2019)
GPU code name
Cape Verde
GM206
Market segment
Desktop
Desktop
Release date
February 2012
November 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1201 MHz
Core clock speed
1000 MHz
924 MHz
Floating-point performance
-
2,460 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
2,940 million
Pipelines / CUDA cores
640
1024
Power consumption (TDP)
80 Watt
-
Texture fill rate
40.00
76.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
7012 MHz
Memory bandwidth
72 GB/s
112.2 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (12_1)
CUDA
-
5.2
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.1.126