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 670M
CORE STATE
GF114
VRAM
1536 MB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GT 745M
GTX 670M
Core Specs
Shading Units
384
336
-12.5%
Shaders
384
336
-12.5%
TMUs
32
56
+75.0%
ROPs
16
24
+50.0%
SM Count
—
7
Clocks
GPU Clock
549 MHz
598 MHz
Shader Clock
—
1196 MHz
Memory Clock
1000 MHz
4 Gbps effective
750 MHz
3 Gbps effective
Memory
Memory Size
2 GB
1536 MB
VRAM (MB)
2,048
1,536
-25.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
64.00 GB/s
72.00 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
4.392 GPixel/s
8.372 GPixel/s
Texture Rate
17.57 GTexel/s
33.49 GTexel/s
FP32 (TFLOPS)
421.6 GFLOPS
803.7 GFLOPS
FP64 (TFLOPS)
17.57 GFLOPS (1:24)
66.98 GFLOPS (1:12)
Power
TDP
45 W
75 W
TDP (W)
45
75
+66.7%
Power Connectors
—
None
Architecture
Architecture
Kepler
Fermi 2.0
GPU Name
GK107
GF114
Generation
GeForce 700M
GeForce 600M
Process Size
28 nm
40 nm
Transistors
1,270 million
1,950 million
Die Size
118 mm²
332 mm²
Foundry
TSMC
TSMC
Density
10.8M / mm²
5.9M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
—
OpenCL
3.0
1.1
CUDA
3.0
2.1
Shader Model
6.5 (5.1)
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 500M
Successor
GeForce 800M
GeForce 700M