GeForce G105M vs Radeon R5 A255
We compared two Mobile platform GPUs: 256MB VRAM GeForce G105M and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R5 A255 's Advantages
Released 4 years and 6 months late
Boost Clock940MHz
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)
368 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce G105M
34
Radeon R5 A255
+2020%
721
Graphics Card
Jul 2009
Release Date
Jan 2014
GeForce 100M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
940 MHz
700 MHz
Memory Clock
1000 MHz
Memory
256MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
11.20GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
6
2
SM Count
-
16
Shading Units
384
8
TMUs
24
4
ROPs
8
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
256 KB
Theoretical Performance
2.000 GPixel/s
Pixel Rate
7.520 GPixel/s
4.000 GTexel/s
Texture Rate
22.56 GTexel/s
34.24 GFLOPS
FP32 (float)
721.9 GFLOPS
Board Design
14W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GT218
GPU Name
Topaz
GT218-300-A2
GPU Variant
Topaz PRO
(216-0858030)
Tesla 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.26 billion
Transistors
1.55 billion
57 mm²
Die Size
125 mm²
Graphics Features
11.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.1
N/A
Vulkan
1.2.170
1.2
CUDA
-
4.1
Shader Model
6.5
