GeForce GTX 980 Mobile and Radeon HD 7770 - video card comparison
GeForce GTX 980 Mobile
Radeon HD 7770
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N16E-GXX
Cape Verde
Market segment
Laptop
Desktop
Release date
September 2014
February 2012
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
SLI options
+
-
Boost clock speed
1216 MHz
-
Core clock speed
1064 MHz
1000 MHz
CUDA cores
2048
-
Floating-point performance
4,358 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
1,500 million
Pipelines / CUDA cores
2048
640
Power consumption (TDP)
100-200 Watt
80 Watt
Texture fill rate
144 billion/sec
40.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7.0 GB/s
4500 MHz
Memory bandwidth
224 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
+
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
1.1.126
1.2.131
BatteryBoost
+
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-