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 850M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
—
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
GTX 850M
Core Specs
Shading Units
384
640
+66.7%
Shaders
384
640
+66.7%
TMUs
32
40
+25.0%
ROPs
16
16
0.0%
Clocks
GPU Clock
549 MHz
902 MHz
Memory Clock
1000 MHz
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
128 bit
Bandwidth
64.00 GB/s
32.03 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
14.43 GPixel/s
Texture Rate
17.57 GTexel/s
36.08 GTexel/s
FP32 (TFLOPS)
421.6 GFLOPS
1,154.6 GFLOPS
FP64 (TFLOPS)
17.57 GFLOPS (1:24)
36.08 GFLOPS (1:32)
Power
TDP
45 W
45 W
TDP (W)
45
45
0.0%
Power Connectors
—
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK107
GM107
Generation
GeForce 700M
GeForce 800M
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
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 600M
GeForce 700M
Successor
GeForce 800M
GeForce 900M