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 580M
CORE STATE
GF114
VRAM
2 GB
CLOCK SPEED
—
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
GT 745M
GTX 580M
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
32
64
+100.0%
ROPs
16
32
+100.0%
SM Count
—
8
Clocks
GPU Clock
549 MHz
620 MHz
Shader Clock
—
1240 MHz
Memory Clock
1000 MHz
4 Gbps effective
750 MHz
3 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
64.00 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
4.392 GPixel/s
9.920 GPixel/s
Texture Rate
17.57 GTexel/s
39.68 GTexel/s
FP32 (TFLOPS)
421.6 GFLOPS
952.3 GFLOPS
FP64 (TFLOPS)
17.57 GFLOPS (1:24)
79.36 GFLOPS (1:12)
Power
TDP
45 W
100 W
TDP (W)
45
100
+122.2%
Power Connectors
—
None
Architecture
Architecture
Kepler
Fermi 2.0
GPU Name
GK107
GF114
Generation
GeForce 700M
GeForce 500M
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 400M
Successor
GeForce 800M
GeForce 600M