
Radeon HD 6770 and GeForce 830A - video card comparison
Passmark - benchmark score Radeon HD 6770 vs GeForce 830A
Radeon HD 6770
1286
GeForce 830A
1172
Radeon HD 6770
GeForce 830A
Architecture
TeraScale 2 (2009−2015)
Maxwell (2014−2018)
GPU code name
Juniper
GM108
Market segment
Desktop
Desktop
Release date
January 2011
July 2014
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
-
Boost clock speed
900 MHz
1150 MHz
Core clock speed
-
1082 MHz
Floating-point performance
1,360.0 gflops
588.8 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,040 million
-
Pipelines / CUDA cores
800
256
Power consumption (TDP)
108 Watt
33 Watt
Texture fill rate
34.00
18.40
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1050 MHz
1800 MHz
Memory bandwidth
76.8 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
5.0
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
1.1.126
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-