GeForce GTX 980 and Radeon HD 6670 - video card comparison
Passmark - benchmark score GeForce GTX 980 vs Radeon HD 6670
GeForce GTX 980
11458
Radeon HD 6670
752
GeForce GTX 980
Radeon HD 6670
Architecture
Maxwell (2014−2018)
TeraScale 2 (2009−2015)
GPU code name
GM204
Turks
Market segment
Desktop
Desktop
Release date
September 2014
April 2011
Bus support
PCI Express 3.0
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
2x 6-pins
None
SLI options
+
-
Boost clock speed
1216 MHz
800 MHz
Core clock speed
1064 MHz
-
CUDA cores
2048
-
Floating-point performance
4,981 gflops
768.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,200 million
716 million
Pipelines / CUDA cores
2048
480
Power consumption (TDP)
165 Watt
66 Watt
Texture fill rate
144 billion/sec
19.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7.0 GB/s
1050 MHz
Memory bandwidth
224 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
4 displays
-
Eyefinity
-
1
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
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
-
-
BatteryBoost
+
-
CrossFire
-
1
Enduro
-
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-