NVIDIA GeForce GT 820M vs NVIDIA GeForce 8600M GS
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 512MB VRAM GeForce 8600M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Released 6 years and 6 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (14.40GB/s vs 12.80GB/s)
80 additional rendering cores
Lower TDP (15W vs 20W)
Score
Benchmark
FP32 (float)
GeForce GT 820M
+927%
0.298 TFLOPS
GeForce 8600M GS
0.029 TFLOPS
Graphics Card
Nov 2013
Release Date
May 2007
GeForce 800M
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-II
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
400 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
DDR2
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
12.80GB/s
Render Config
-
-
-
2
SM Count
1
96
Shading Units
16
16
TMUs
8
8
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
128 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
1.800 GPixel/s
12.40 GTexel/s
Texture Rate
3.600 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
28.80 GFLOPS
24.80 GFLOPS
FP64 (double)
-
Board Design
15W
TDP
20W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF117
GPU Name
G86
N15V-GM
GPU Variant
G86-770-A2
Fermi 2.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
0.585 billion
Transistors
0.21 billion
116 mm²
Die Size
127 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
1.1
5.1
Shader Model
4.0
