NVIDIA GeForce GT 820M vs NVIDIA GeForce 8600M GT Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 512MB VRAM GeForce 8600M GT Mac Edition 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 1 months late
More VRAM (1024GB vs 512GB)
64 additional rendering cores
Lower TDP (15W vs 20W)
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Larger VRAM bandwidth (20.32GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
GeForce GT 820M
+396%
0.298 TFLOPS
GeForce 8600M GT Mac Edition
0.06 TFLOPS
Graphics Card
Nov 2013
Release Date
Oct 2007
GeForce 800M
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-II
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
635 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
20.32GB/s
Render Config
-
-
-
2
SM Count
4
96
Shading Units
32
16
TMUs
16
8
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
128 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
3.760 GPixel/s
12.40 GTexel/s
Texture Rate
7.520 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
60.16 GFLOPS
24.80 GFLOPS
FP64 (double)
-
Board Design
15W
TDP
20W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF117
GPU Name
G84
N15V-GM
GPU Variant
NB8P-GS
Fermi 2.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
0.585 billion
Transistors
0.289 billion
116 mm²
Die Size
169 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
