GeForce GTX 480M and Mobility Radeon HD 4870 - video card comparison
GeForce GTX 480M
Mobility Radeon HD 4870
Architecture
Fermi (2010−2014)
Terascale 1 (2008−2010)
GPU code name
N11E-GTX-A3
M98-XT
Market segment
Laptop
Laptop
Release date
May 2010
January 2009
Bus support
PCI-E 2.0
-
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
-
SLI options
+
-
Core clock speed
425 MHz
550 MHz
Floating-point performance
598.4 gflops
880.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
3,100 million
956 million
Pipelines / CUDA cores
352
800
Power consumption (TDP)
100 Watt
-
Texture fill rate
18.7 billion/sec
22.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1200 MHz
888 MHz
Memory bandwidth
76.8 GB/s
56.83 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Maximum VGA resolution
2048x1536
-
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A