Radeon HD 7750 and GeForce 8400 GS Rev. 3 - video card comparison
Radeon HD 7750
GeForce 8400 GS Rev. 3
Architecture
GCN 1.0 (2012−2020)
Tesla 2.0 (2007−2013)
GPU code name
Cape Verde
GT218
Market segment
Desktop
Desktop
Release date
February 2012
July 2010
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
800 MHz
-
Core clock speed
-
520 MHz
Floating-point performance
819.2 gflops
39.36 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
260 million
Pipelines / CUDA cores
512
16
Power consumption (TDP)
75 Watt
25 Watt
Texture fill rate
25.60
4.160
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
800 MHz
Memory bandwidth
72 GB/s
6.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
11.1 (10_1)
CUDA
-
1.2
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-