NVIDIA GeForce GT 820M vs NVIDIA GeForce GT 635M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 1024MB VRAM GeForce GT 635M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Released 1 years and 8 months late
Lower TDP (15W vs 35W)
NVIDIA GeForce GT 635M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
GeForce GT 820M
+17%
0.298 TFLOPS
GeForce GT 635M
0.253 TFLOPS
Graphics Card
Nov 2013
Release Date
Mar 2012
GeForce 800M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
28.80GB/s
Render Config
-
-
-
2
SM Count
2
96
Shading Units
96
16
TMUs
16
8
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
2.640 GPixel/s
12.40 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
253.4 GFLOPS
24.80 GFLOPS
FP64 (double)
21.12 GFLOPS
Board Design
15W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF117
GPU Name
GF108
N15V-GM
GPU Variant
N12E-GE-A1
Fermi 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.585 billion
Transistors
0.585 billion
116 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
2.1
5.1
Shader Model
5.1
