Radeon HD 4770 and GeForce 800M - video card comparison
Passmark - benchmark score Radeon HD 4770 vs GeForce 800M
Radeon HD 4770
935
GeForce 800M
471
Radeon HD 4770
GeForce 800M
Architecture
TeraScale (2005−2013)
Fermi 2.0 (2010−2014)
GPU code name
RV740
GF117
Market segment
Desktop
Desktop
Release date
April 2009
March 2014
Bus support
-
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
750 MHz
738 MHz
Floating-point performance
960.0 gflops
141.7 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
826 million
585 million
Pipelines / CUDA cores
640
48
Power consumption (TDP)
80 Watt
15 Watt
Texture fill rate
24.00
5.904
Memory type
GDDR5
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
3200 MHz
1800 MHz
Memory bandwidth
51.2 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
1.1
1.1
OpenGL
3.3
4.5
Shader Model
4.1
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+