NVIDIA GeForce GT 820M vs NVIDIA GeForce 825M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 1024MB VRAM GeForce 825M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Lower TDP (15W vs 33W)
NVIDIA GeForce 825M 's Advantages
Boost Clock941MHz
288 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
GeForce 825M
+142%
0.723 TFLOPS
Graphics Card
Nov 2013
Release Date
Jan 2014
GeForce 800M
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
941 MHz
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
14.40GB/s
Render Config
-
-
-
2
SM Count
-
96
Shading Units
384
16
TMUs
32
8
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
7.528 GPixel/s
12.40 GTexel/s
Texture Rate
30.11 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
722.7 GFLOPS
24.80 GFLOPS
FP64 (double)
30.11 GFLOPS
Board Design
15W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GF117
GPU Name
GK208
N15V-GM
GPU Variant
-
Fermi 2.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
0.585 billion
Transistors
1.02 billion
116 mm²
Die Size
87 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.5
5.1
Shader Model
5.1
