GeForce GT 750M and Radeon HD 7770M - video card comparison
GeForce GT 750M
Radeon HD 7770M
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
N14P-GT
Chelsea XT
Market segment
Laptop
Laptop
Release date
April 2013
April 2012
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Boost clock speed
967 MHz
-
Core clock speed
967 MHz
675 MHz
Floating-point performance
742.7 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)
50 Watt
32 Watt
Texture fill rate
30.94
21.60
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
2000 - 5000 MHz
4000 MHz
Memory bandwidth
64.19 GB/s
64 GB/s
Shared memory
-
-
Standard memory configuration
DDR3/GDDR5
-
Display Connectors
No outputs
No outputs
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
-
7.1 channel HD audio on HDMI
+
-
DirectX
12 API
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
3D Vision / 3DTV Play
+
-
Blu-Ray 3D Support
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-