Radeon HD 7750 and GeForce GT 420M - video card comparison
Passmark - benchmark score Radeon HD 7750 vs GeForce GT 420M
Radeon HD 7750
1754
GeForce GT 420M
417
Radeon HD 7750
GeForce GT 420M
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Cape Verde
N11P-GE
Market segment
Desktop
Laptop
Release date
February 2012
September 2010
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
500 MHz
CUDA cores
-
96
Floating-point performance
819.2 gflops
192 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
23 Watt
Texture fill rate
25.60
6.0 billion/sec
Memory type
GDDR5
(G)DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1125 MHz
800 MHz
Memory bandwidth
72 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
12 API
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-