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 780
CORE STATE
GK110
VRAM
3 GB
CLOCK SPEED
902 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GT 745M
GTX 780
Core Specs
Shading Units
384
2,304
+500.0%
Shaders
384
2,304
+500.0%
TMUs
32
192
+500.0%
ROPs
16
48
+200.0%
Clocks
Base Clock
—
863 MHz
Boost Clock
—
902 MHz
GPU Clock
549 MHz
—
Memory Clock
1000 MHz
4 Gbps effective
1502 MHz
6 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
384 bit
Bandwidth
64.00 GB/s
288.4 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
4.392 GPixel/s
43.30 GPixel/s
Texture Rate
17.57 GTexel/s
173.2 GTexel/s
FP32 (TFLOPS)
421.6 GFLOPS
4.156 TFLOPS
FP64 (TFLOPS)
17.57 GFLOPS (1:24)
173.2 GFLOPS (1:24)
Power
TDP
45 W
250 W
TDP (W)
45
250
+455.6%
Suggested PSU
—
600 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
Kepler
Kepler
GPU Name
GK107
GK110
Generation
GeForce 700M
GeForce 700
Process Size
28 nm
28 nm
Transistors
1,270 million
7,080 million
Die Size
118 mm²
561 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
1.2.175
OpenCL
3.0
3.0
CUDA
3.0
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
649 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 600M
GeForce 600
Successor
GeForce 800M
GeForce 900