
Radeon HD 7750 and GeForce GT 620 - video card comparison
Passmark - benchmark score Radeon HD 7750 vs GeForce GT 620
Radeon HD 7750
1754
GeForce GT 620
388
Radeon HD 7750
GeForce GT 620
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Cape Verde
GF108
Market segment
Desktop
Desktop
Release date
February 2012
May 2012
Bus support
PCIe 2.1 x16
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
800 MHz
-
Core clock speed
-
700 MHz
CUDA cores
-
96
Floating-point performance
819.2 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
585 million
Pipelines / CUDA cores
512
96
Power consumption (TDP)
75 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
25.60
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
1.8 GB/s
Memory bandwidth
72 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
Eyefinity
1
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-