GeForce GT 740 and Radeon HD 7770M - video card comparison
GeForce GT 740
Radeon HD 7770M
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK107
Chelsea XT
Market segment
Desktop
Laptop
Release date
May 2014
April 2012
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
993 MHz
675 MHz
Floating-point performance
762.6 gflops
691.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,500 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
64 Watt
32 Watt
Texture fill rate
31.78
21.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5012 MHz
4000 MHz
Memory bandwidth
80.19 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x mini-HDMI
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131