NVIDIA GeForce GT 820M vs NVIDIA GeForce GTX 670M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 1536MB VRAM GeForce GTX 670M 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 75W)
NVIDIA GeForce GTX 670M 's Advantages
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (72.00GB/s vs 14.40GB/s)
240 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
GeForce GTX 670M
+169%
0.804 TFLOPS
Graphics Card
Nov 2013
Release Date
Mar 2012
GeForce 800M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
750 MHz
Memory
1024MB
Memory Size
1536MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
192bit
14.40GB/s
Bandwidth
72.00GB/s
Render Config
-
-
-
2
SM Count
7
96
Shading Units
336
16
TMUs
56
8
ROPs
24
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
8.372 GPixel/s
12.40 GTexel/s
Texture Rate
33.49 GTexel/s
-
-
-
297.6 GFLOPS
FP32 (float)
803.7 GFLOPS
24.80 GFLOPS
FP64 (double)
66.98 GFLOPS
Board Design
15W
TDP
75W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF117
GPU Name
GF114
N15V-GM
GPU Variant
N13E-GS1-LP-A1
Fermi 2.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.585 billion
Transistors
1.95 billion
116 mm²
Die Size
332 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
