Radeon HD 7870M and Radeon HD 7850M - video card comparison
Passmark - benchmark score Radeon HD 7870M vs Radeon HD 7850M
Radeon HD 7870M
1552
Radeon HD 7850M
1413
Radeon HD 7870M
Radeon HD 7850M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Heathrow XT
Heathrow Pro
Market segment
Laptop
Laptop
Release date
April 2012
April 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Core clock speed
800 MHz
675 MHz
Floating-point performance
1,024 gflops
864.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,500 million
Pipelines / CUDA cores
640
640
Power consumption (TDP)
45 Watt
40 Watt
Texture fill rate
32.00
27.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
4000 MHz
Memory bandwidth
64 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131