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
GRID K2
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
GT 745M
GRID K2
Core Specs
Shading Units
384
1,536
+300.0%
Shaders
384
1,536
+300.0%
TMUs
32
128
+300.0%
ROPs
16
32
+100.0%
Clocks
GPU Clock
549 MHz
745 MHz
Memory Clock
1000 MHz
4 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
64.00 GB/s
160.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
4.392 GPixel/s
23.84 GPixel/s
Texture Rate
17.57 GTexel/s
95.36 GTexel/s
FP32 (TFLOPS)
421.6 GFLOPS
2.289 TFLOPS
FP64 (TFLOPS)
17.57 GFLOPS (1:24)
95.36 GFLOPS (1:24)
Power
TDP
45 W
225 W
TDP (W)
45
225
+400.0%
Suggested PSU
—
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
Kepler
Kepler
GPU Name
GK107
GK104
Generation
GeForce 700M
GRID
(K2)
Process Size
28 nm
28 nm
Transistors
1,270 million
3,540 million
Die Size
118 mm²
294 mm²
Foundry
TSMC
TSMC
Density
10.8M / mm²
12.0M / 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
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
5,199 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 600M
—
Successor
GeForce 800M
—