GeForce GTX 770 and Radeon HD 6850 - video card comparison
Passmark - benchmark score GeForce GTX 770 vs Radeon HD 6850
GeForce GTX 770
6099
Radeon HD 6850
2030
GeForce GTX 770
Radeon HD 6850
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK104
Barts
Market segment
Desktop
Desktop
Release date
May 2013
October 2010
Bus support
PCI Express 3.0
AGP
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
1x 6-pin
Boost clock speed
1085 MHz
-
Core clock speed
1046 MHz
-
CUDA cores
1536
-
Floating-point performance
3,333 gflops
1,488.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
1,700 million
Pipelines / CUDA cores
1536
960
Power consumption (TDP)
230 Watt
127 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
37.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
7012 MHz
-
Memory bandwidth
224.3 GB/s
128.0 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.3
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
AppAcceleration
-
-
Blu Ray 3D
+
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PhysX
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-