GeForce GTX 980 Ti and Radeon HD 6850 - video card comparison
Passmark - benchmark score GeForce GTX 980 Ti vs Radeon HD 6850
GeForce GTX 980 Ti
14228
Radeon HD 6850
2030
GeForce GTX 980 Ti
Radeon HD 6850
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
GM200
Barts
Market segment
Desktop
Desktop
Release date
June 2015
October 2010
Bus support
PCI Express 3.0
AGP
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
1x 6-pin
SLI options
+
-
Boost clock speed
1075 MHz
-
Core clock speed
1000 MHz
-
CUDA cores
2816
-
Floating-point performance
6,060 gflops
1,488.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
8,000 million
1,700 million
Pipelines / CUDA cores
2816
960
Power consumption (TDP)
250 Watt
127 Watt
Texture fill rate
176 billion/sec
37.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
1 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
7.0 GB/s
-
Memory bandwidth
336.5 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
2x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
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
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-