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
GeForce GTX 770M
CORE STATE
GK106
VRAM
3 GB
CLOCK SPEED
797 MHz
TDP
75 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
GT 745M
GTX 770M
Core Specs
Shading Units
384
960
+150.0%
Shaders
384
960
+150.0%
TMUs
32
80
+150.0%
ROPs
16
24
+50.0%
Clocks
Base Clock
—
706 MHz
Boost Clock
—
797 MHz
GPU Clock
549 MHz
—
Memory Clock
1000 MHz
4 Gbps effective
1002 MHz
4 Gbps effective
Memory
Memory Size
2 GB
3 GB
VRAM (MB)
2,048
3,072
+50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
64.00 GB/s
96.19 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
4.392 GPixel/s
15.94 GPixel/s
Texture Rate
17.57 GTexel/s
63.76 GTexel/s
FP32 (TFLOPS)
421.6 GFLOPS
1.530 TFLOPS
FP64 (TFLOPS)
17.57 GFLOPS (1:24)
63.76 GFLOPS (1:24)
Power
TDP
45 W
75 W
TDP (W)
45
75
+66.7%
Power Connectors
—
None
Architecture
Architecture
Kepler
Kepler
GPU Name
GK107
GK106
Generation
GeForce 700M
GeForce 700M
Process Size
28 nm
28 nm
Transistors
1,270 million
2,540 million
Die Size
118 mm²
221 mm²
Foundry
TSMC
TSMC
Density
10.8M / mm²
11.5M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.0
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 600M
GeForce 600M
Successor
GeForce 800M
GeForce 800M