GeForce GTX 960M and Radeon HD 8990 OEM - video card comparison
GeForce GTX 960M
Radeon HD 8990 OEM
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
N16P-GX
Malta
Market segment
Laptop
Desktop
Release date
March 2015
April 2013
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
2x 8-pin
SLI options
+
-
Boost clock speed
1202 MHz
1000 MHz
Core clock speed
1096 MHz
950 MHz
CUDA cores
640
-
Floating-point performance
1,505 gflops
2x 4,096 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
4,313 million
Pipelines / CUDA cores
640
2048
Power consumption (TDP)
75 Watt
375 Watt
Texture fill rate
47.04
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
2500 MHz
6000 MHz
Memory bandwidth
80 GB/s
288.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
Ansel
+
-
BatteryBoost
+
-
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-