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
Tesla P4
CORE STATE
GP104
VRAM
8 GB
CLOCK SPEED
1114 MHz
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
945M
Tesla P4
Core Specs
Shading Units
640
2,560
+300.0%
Shaders
640
2,560
+300.0%
TMUs
40
160
+300.0%
ROPs
16
64
+300.0%
SM Count
—
20
Clocks
Base Clock
928 MHz
886 MHz
Boost Clock
1020 MHz
1114 MHz
Memory Clock
900 MHz
1800 Mbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
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)
48 KB (per SM)
L2 Cache
2 MB
2 MB
Performance
Pixel Rate
16.32 GPixel/s
71.30 GPixel/s
Texture Rate
40.80 GTexel/s
178.2 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
5.704 TFLOPS
FP64 (TFLOPS)
40.80 GFLOPS (1:32)
178.2 GFLOPS (1:32)
FP16 (TFLOPS)
—
89.12 GFLOPS (1:64)
Power
TDP
75 W
75 W
TDP (W)
75
75
0.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
Maxwell
Pascal
GPU Name
GM107
GP104
Generation
GeForce 900M
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
1,870 million
7,200 million
Die Size
148 mm²
314 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
22.9M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
6.1
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
MXM Module
Single-slot
Length
—
168 mm
6.6 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 800M
Tesla Maxwell
Successor
GeForce 10 Mobile
Tesla Volta