GeForce 845M and Radeon R7 (Carrizo) - video card comparison
GeForce 845M
Radeon R7 (Carrizo)
Architecture
Maxwell (2014−2018)
GCN 1.2/2.0 (2015−2016)
GPU code name
GM108
Carrizo
Market segment
Laptop
Laptop
Release date
March 2014
June 2015
Interface
PCIe 3.0 x8
-
Boost clock speed
1150 MHz
800 MHz
Core clock speed
1071 MHz
-
Floating-point performance
883.7 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
2410 Million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
45 Watt
12-35 Watt
Texture fill rate
37.63
-
Memory type
DDR3, GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
64/128 Bit
64/128 Bit
Memory clock speed
2000 - 5000 MHz
-
Memory bandwidth
40.1 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 (11_0)
12 (FL 12_0)
CUDA
+
-
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.1.126
-
Optimus
+
-