Radeon HD 7870M and GeForce 9800M GT SLI - video card comparison
Radeon HD 7870M
GeForce 9800M GT SLI
Architecture
GCN (2011−2017)
G9x (2007−2010)
GPU code name
Heathrow XT
NB9E-GT2
Market segment
Laptop
Laptop
Release date
April 2012
July 2008
Interface
PCIe 3.0 x16
-
SLI options
-
+
Core clock speed
800 MHz
500 MHz
Floating-point performance
1,024 gflops
-
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,500 million
1508 Million
Pipelines / CUDA cores
640
192
Power consumption (TDP)
45 Watt
130 Watt
Texture fill rate
32.00
-
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
800 MHz
Memory bandwidth
64 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
DirectX
12 (11_1)
10
CUDA
-
+
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.2.131
-