GeForce G105M vs Mobility Radeon HD 3870
We compared two Mobile platform GPUs: 256MB VRAM GeForce G105M and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce G105M 's Advantages
Released 1 years and 1 months late
Lower TDP (14W vs 55W)
Mobility Radeon HD 3870 's Advantages
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (54.40GB/s vs 11.20GB/s)
304 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce G105M
34
Mobility Radeon HD 3870
+1141%
422
Graphics Card
Jul 2009
Release Date
Jun 2008
GeForce 100M
Generation
M8x
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
700 MHz
Memory Clock
850 MHz
Memory
256MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
11.20GB/s
Bandwidth
54.40GB/s
Render Config
-
Compute Units
4
2
SM Count
-
16
Shading Units
320
8
TMUs
16
4
ROPs
16
32 KB
L2 Cache
256 KB
Theoretical Performance
2.000 GPixel/s
Pixel Rate
10.56 GPixel/s
4.000 GTexel/s
Texture Rate
10.56 GTexel/s
34.24 GFLOPS
FP32 (float)
422.4 GFLOPS
-
FP64 (double)
84.48 GFLOPS
Board Design
14W
TDP
55W
No outputs
Outputs
No outputs
Graphics Processor
GT218
GPU Name
M88
GT218-300-A2
GPU Variant
-
Tesla 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.26 billion
Transistors
0.666 billion
57 mm²
Die Size
192 mm²
Graphics Features
11.1 (10_1)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
N/A
N/A
Vulkan
N/A
1.2
CUDA
-
4.1
Shader Model
4.1