GeForce GTX 1080 and Radeon HD 6850 - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs Radeon HD 6850
GeForce GTX 1080
16002
Radeon HD 6850
2030
GeForce GTX 1080
Radeon HD 6850
Architecture
Pascal (2016−2021)
TeraScale 2 (2009−2015)
GPU code name
Pascal GP104
Barts
Market segment
Desktop
Desktop
Release date
May 2016
October 2010
Bus support
PCIe 3.0
AGP
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
1x 6-pin
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
-
CUDA cores
2560
-
Floating-point performance
8,873 gflops
1,488.0 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
7,200 million
1,700 million
Pipelines / CUDA cores
2560
960
Power consumption (TDP)
180 Watt
127 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
37.20
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
10 GB/s
-
Memory bandwidth
320 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
2x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
+
-
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
-
Ansel
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
GPU Boost
3.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
VR Ready
+
-
ZeroCore
-
-