GeForce GTX 880M and Radeon HD 7870 - video card comparison
Passmark - benchmark score GeForce GTX 880M vs Radeon HD 7870
GeForce GTX 880M
3917
Radeon HD 7870
4779
GeForce GTX 880M
Radeon HD 7870
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
N15E-GX-A2
Pitcairn XT
Market segment
Laptop
Desktop
Release date
March 2014
March 2012
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
2x 6-pin
SLI options
+
-
Boost clock speed
993 MHz
-
Core clock speed
954 MHz
1000 MHz
CUDA cores
1536
-
Floating-point performance
3,050 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
2800 Million
Pipelines / CUDA cores
1536
1280
Power consumption (TDP)
122 Watt
175 Watt
Texture fill rate
127.1
80.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
Up to 2500 MHz
4800 MHz
Memory bandwidth
160.0 GB/s
153.6 GB/s
Shared memory
-
-
Standard memory configuration
GDDR5
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
Eyefinity
-
+
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
+
7.1 channel HD audio on HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-