GPU Comparison
GEFORCE
NVIDIA GeForce 945M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1020 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
VS
GEFORCE
GeForce GTX 680
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
1058 MHz
TDP
195 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
945M
GTX 680
Core Specs
Shading Units
640
1,536
+140.0%
Shaders
640
1,536
+140.0%
TMUs
40
128
+220.0%
ROPs
16
32
+100.0%
Clocks
Base Clock
928 MHz
1006 MHz
Boost Clock
1020 MHz
1058 MHz
Memory Clock
900 MHz
1800 Mbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
28.80 GB/s
192.3 GB/s
Cache
L1 Cache
64 KB (per SMM)
16 KB (per SMX)
L2 Cache
2 MB
512 KB
Performance
Pixel Rate
16.32 GPixel/s
33.86 GPixel/s
Texture Rate
40.80 GTexel/s
135.4 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
3.250 TFLOPS
FP64 (TFLOPS)
40.80 GFLOPS (1:32)
135.4 GFLOPS (1:24)
Power
TDP
75 W
195 W
TDP (W)
75
195
+160.0%
Suggested PSU
—
450 W
Power Connectors
None
2x 6-pin
Architecture
Architecture
Maxwell
Kepler
GPU Name
GM107
GK104
Generation
GeForce 900M
GeForce 600
Process Size
28 nm
28 nm
Transistors
1,870 million
3,540 million
Die Size
148 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.0M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
5.0
3.0
Shader Model
6.7 (5.1)
6.5 (5.1)
Physical
Slot Width
MXM Module
Dual-slot
Length
—
256 mm
10.1 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Other
Launch Price
—
499 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 800M
GeForce 500
Successor
GeForce 10 Mobile
GeForce 700