NVIDIA GeForce GTX 850M vs NVIDIA GeForce GTX 680M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 850M 's Advantages
Released 1 years and 9 months late
Lower TDP (45W vs 100W)
NVIDIA GeForce GTX 680M 's Advantages
Boost Clock758MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (115.2GB/s vs 32.03GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 850M
1.155 TFLOPS
GeForce GTX 680M
+76%
2.038 TFLOPS
OctaneBench
GeForce GTX 850M
22
GeForce GTX 680M
+90%
42
Graphics Card
Mar 2014
Release Date
Jun 2012
GeForce 800M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
719 MHz
-
Boost Clock
758 MHz
1001 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
32.03GB/s
Bandwidth
115.2GB/s
Render Config
-
-
-
-
-
-
640
Shading Units
1344
40
TMUs
112
16
ROPs
32
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
14.43 GPixel/s
Pixel Rate
21.22 GPixel/s
36.08 GTexel/s
Texture Rate
84.90 GTexel/s
-
-
-
1155 GFLOPS
FP32 (float)
2.038 TFLOPS
36.08 GFLOPS
FP64 (double)
84.90 GFLOPS
Board Design
45W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
GK104
N15P-GT-A1
GPU Variant
N13E-GTX-A2
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
3.54 billion
148 mm²
Die Size
294 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.0
5.1
Shader Model
5.1
