GPU Comparison
GEFORCE
NVIDIA GeForce 940MX
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
861 MHz
TDP
23 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2016
VS
GEFORCE
GeForce GTX 680M
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
758 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
940MX
GTX 680M
Core Specs
Shading Units
512
1,344
+162.5%
Shaders
512
1,344
+162.5%
TMUs
32
112
+250.0%
ROPs
8
32
+300.0%
Clocks
Base Clock
795 MHz
719 MHz
Boost Clock
861 MHz
758 MHz
Memory Clock
1253 MHz
5 Gbps effective
900 MHz
3.6 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
40.10 GB/s
115.2 GB/s
Cache
L1 Cache
64 KB (per SMM)
16 KB (per SMX)
L2 Cache
1024 KB
512 KB
Performance
Pixel Rate
6.888 GPixel/s
21.22 GPixel/s
Texture Rate
27.55 GTexel/s
84.90 GTexel/s
FP32 (TFLOPS)
881.7 GFLOPS
2.038 TFLOPS
FP64 (TFLOPS)
27.55 GFLOPS (1:32)
84.90 GFLOPS (1:24)
Power
TDP
23 W
100 W
TDP (W)
23
100
+334.8%
Power Connectors
None
None
Architecture
Architecture
Maxwell
Kepler
GPU Name
GM107
GK104
Generation
GeForce 900M
GeForce 600M
Process Size
28 nm
28 nm
Transistors
1,870 million
3,540 million
Die Size
148 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.0M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
5.0
3.0
Shader Model
6.7 (5.1)
6.5 (5.1)
Physical
Slot Width
MXM Module
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 800M
GeForce 500M
Successor
GeForce 10 Mobile
GeForce 700M