GPU Comparison
GEFORCE
NVIDIA 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
VS
GEFORCE
Quadro K620M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 680M
Quadro K620M
Core Specs
Shading Units
1,344
384
-71.4%
Shaders
1,344
384
-71.4%
TMUs
112
16
-85.7%
ROPs
32
8
-75.0%
Clocks
Base Clock
719 MHz
1029 MHz
Boost Clock
758 MHz
1124 MHz
Memory Clock
900 MHz
3.6 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
115.2 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
21.22 GPixel/s
8.992 GPixel/s
Texture Rate
84.90 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
2.038 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
84.90 GFLOPS (1:24)
26.98 GFLOPS (1:32)
Power
TDP
100 W
30 W
TDP (W)
100
30
-70.0%
Power Connectors
None
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK104
GM108S
Generation
GeForce 600M
Quadro Kepler-M
(Kx200M)
Process Size
28 nm
28 nm
Transistors
3,540 million
1,020 million
Die Size
294 mm²
77 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
13.2M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
MXM Module
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-B (3.0)
MXM-A (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 500M
Quadro Fermi-M
Successor
GeForce 700M
Quadro Maxwell-M