GPU Comparison
GEFORCE
NVIDIA GeForce GT 745M
CORE STATE
GK107
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Quadro K620
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GT 745M
Quadro K620
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
32
24
-25.0%
ROPs
16
16
0.0%
Clocks
Base Clock
—
1058 MHz
Boost Clock
—
1124 MHz
GPU Clock
549 MHz
—
Memory Clock
1000 MHz
4 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
64.00 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
4.392 GPixel/s
17.98 GPixel/s
Texture Rate
17.57 GTexel/s
26.98 GTexel/s
FP32 (TFLOPS)
421.6 GFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
17.57 GFLOPS (1:24)
26.98 GFLOPS (1:32)
Power
TDP
45 W
45 W
TDP (W)
45
45
0.0%
Suggested PSU
—
200 W
Power Connectors
—
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK107
GM107
Generation
GeForce 700M
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
1,270 million
1,870 million
Die Size
118 mm²
148 mm²
Foundry
TSMC
TSMC
Density
10.8M / mm²
12.6M / 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
IGP
Single-slot
Length
—
160 mm
6.3 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
1x DVI1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 600M
Quadro Fermi
Successor
GeForce 800M
Quadro Maxwell