Radeon HD 7770 and GeForce GTX 260 - video card comparison
Passmark - benchmark score Radeon HD 7770 vs GeForce GTX 260
Radeon HD 7770
2235
GeForce GTX 260
1260
Radeon HD 7770
GeForce GTX 260
Architecture
GCN (2011−2017)
Tesla 2.0 (2007−2013)
GPU code name
Cape Verde
GT200
Market segment
Desktop
Desktop
Release date
February 2012
June 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
SLI options
-
+
Core clock speed
1000 MHz
576 MHz
CUDA cores
-
192
Floating-point performance
-
476.9 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,500 million
1,400 million
Pipelines / CUDA cores
640
192
Power consumption (TDP)
80 Watt
182 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
40.00
36.9 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
896 MB
Memory bus width
128 Bit
448 Bit
Memory clock speed
4500 MHz
999 MHz
Memory bandwidth
72 GB/s
111.9 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
Dual Link DVIHDTV
Multi monitor support
-
+
Eyefinity
+
-
HDMI
+
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
12 (11_1)
11.1 (10_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
2.1
Shader Model
5.1
4.0
Vulkan
1.2.131
N/A