
Radeon HD 7870M and GeForce GTX 480M - video card comparison
Passmark - benchmark score Radeon HD 7870M vs GeForce GTX 480M
Radeon HD 7870M
1552
GeForce GTX 480M
1666
Radeon HD 7870M
GeForce GTX 480M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Heathrow XT
N11E-GTX-A3
Market segment
Laptop
Laptop
Release date
April 2012
May 2010
Bus support
-
PCI-E 2.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Core clock speed
800 MHz
425 MHz
Floating-point performance
1,024 gflops
598.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
3,100 million
Pipelines / CUDA cores
640
352
Power consumption (TDP)
45 Watt
100 Watt
Texture fill rate
32.00
18.7 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
1200 MHz
Memory bandwidth
64 GB/s
76.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Maximum VGA resolution
-
2048x1536
DirectX
12 (11_1)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A