GeForce 845M vs GeForce G105M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 845M and 256MB VRAM GeForce G105M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 845M 's Advantages
Released 6 years and 1 months late
Boost Clock1176MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (40.10GB/s vs 11.20GB/s)
368 additional rendering cores
GeForce G105M 's Advantages
Lower TDP (14W vs 33W)
Score
Benchmark
FP32 (float)
GeForce 845M
+2555%
903
GeForce G105M
34
Graphics Card
Aug 2015
Release Date
Jul 2009
GeForce 800M
Generation
GeForce 100M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1071 MHz
Base Clock
-
1176 MHz
Boost Clock
-
1253 MHz
Memory Clock
700 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
64bit
Memory Bus
64bit
40.10GB/s
Bandwidth
11.20GB/s
Render Config
-
SM Count
2
384
Shading Units
16
32
TMUs
8
16
ROPs
4
64 KB (per SMM)
L1 Cache
-
1024 KB
L2 Cache
32 KB
Theoretical Performance
18.82 GPixel/s
Pixel Rate
2.000 GPixel/s
37.63 GTexel/s
Texture Rate
4.000 GTexel/s
903.2 GFLOPS
FP32 (float)
34.24 GFLOPS
28.22 GFLOPS
FP64 (double)
-
Board Design
33W
TDP
14W
No outputs
Outputs
No outputs
Graphics Processor
GM108
GPU Name
GT218
-
GPU Variant
GT218-300-A2
Maxwell
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
Unknown
Transistors
0.26 billion
Unknown
Die Size
57 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
1.2
5.1
Shader Model
4.1
