GPU Comparison
GEFORCE
NVIDIA GeForce GT 755M
CORE STATE
GK107
VRAM
2 GB
CLOCK SPEED
1020 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
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
GT 755M
Quadro K620M
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
32
16
-50.0%
ROPs
16
8
-50.0%
Clocks
Base Clock
980 MHz
1029 MHz
Boost Clock
1020 MHz
1124 MHz
Memory Clock
1350 MHz
5.4 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
64 bit
Bandwidth
86.40 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
8.160 GPixel/s
8.992 GPixel/s
Texture Rate
32.64 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
783.4 GFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
32.64 GFLOPS (1:24)
26.98 GFLOPS (1:32)
Power
TDP
50 W
30 W
TDP (W)
50
30
-40.0%
Power Connectors
None
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK107
GM108S
Generation
GeForce 700M
Quadro Kepler-M
(Kx200M)
Process Size
28 nm
28 nm
Transistors
1,270 million
1,020 million
Die Size
118 mm²
77 mm²
Foundry
TSMC
TSMC
Density
10.8M / 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
PCIe 3.0 x16
MXM-A (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 600M
Quadro Fermi-M
Successor
GeForce 800M
Quadro Maxwell-M