GeForce 305M vs GeForce 820M
We compared two Mobile platform GPUs: 512MB VRAM GeForce 305M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 305M 's Advantages
Lower TDP (14W vs 45W)
GeForce 820M 's Advantages
Released 5 years and 2 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (28.83GB/s vs 11.20GB/s)
368 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 305M
37
GeForce 820M
+1581%
622
Graphics Card
Jan 2010
Release Date
Mar 2015
GeForce 300M
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
700 MHz
Memory Clock
901 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
11.20GB/s
Bandwidth
28.83GB/s
Render Config
2
SM Count
-
16
Shading Units
384
8
TMUs
32
4
ROPs
16
-
L1 Cache
16 KB (per SMX)
32 KB
L2 Cache
256 KB
Theoretical Performance
2.100 GPixel/s
Pixel Rate
6.480 GPixel/s
4.200 GTexel/s
Texture Rate
25.92 GTexel/s
36.80 GFLOPS
FP32 (float)
622.1 GFLOPS
-
FP64 (double)
25.92 GFLOPS
Board Design
14W
TDP
45W
No outputs
Outputs
No outputs
Graphics Processor
GT218
GPU Name
GK107
N11M-LP1
GPU Variant
-
Tesla 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.26 billion
Transistors
1.27 billion
57 mm²
Die Size
118 mm²
Graphics Features
11.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.2
CUDA
3.0
4.1
Shader Model
5.1
