NVIDIA GeForce 945M vs NVIDIA Maxwell GPU Surface Book (940M, GDDR5)

NVIDIA GeForce 945M

► remove

The NVIDIA GeForce 945M is a mid-range, DirectX 12-compatible graphics card for laptops unveiled in March 2015. It is based on Nvidia's Maxwell architecture (GM107 chip) and manufactured in 28 nm. The 945M offers 512 shaders (compared to the 640 of the GTX 950M) clocked at 928 MHz. The dedicated DDR3 graphics memory is connected with a 128 Bit bus clocked at 1000 MHz (effective 2000, 32 GB/s). 

Architecture

Compared to Kepler, Maxwell has been optimized in several details to increase power efficiency. Smaller Streaming Multiprocessors (SMM) with only 128 ALUs (Kepler: 192) and an optimized scheduler should lead to better utilization of the shaders. Nvidia promises that a Maxwell SMM with 128 ALUs can offer 90 percent of the performance of a Kepler SMX with 192 ALUs. GM107 features 5 SMMs and thus 640 shader cores, 40 TMUs and 16 ROPs (128-bit interface).

Another optimization is the massively enlarged L2 cache (GM107: 2 MB). The increased size can handle some of the memory traffic to allow for a relatively narrow memory interface without significantly reducing the performance.

GM107 supports DirectX 12 with feature level 11_0 only.

Performance

The performance of the 945M is slightly worse than the GTX 950M but clearly faster than the 940M. The DDR3 variant of the GTX 950M is about 10 percent faster for example. Therefore, it is most suited for medium details of demanding games in 2015 (see below for benchmarks).

Features

GM107 integrates the sixth generation of the PureVideo HD video engine (VP6), offering a better decoding performance for H.264 and MPEG-2 videos. Of course, VP6 supports all features of previous generations (4K support, PIP, video encoding via NVENC API). Unfortunately, HDMI 2.0 is still not supported.

Power Consumption

The power consumption of the GeForce 945M should be somewhere around 40 Watt. Therefore it is most suited for bigger laptops from 14-inch and up.

NVIDIA Maxwell GPU Surface Book (940M, GDDR5)

► remove NVIDIA Maxwell GPU (940M, GDDR5)

The Nvidia Maxwell GPU is a dedicated graphics card in the Microsoft Surface Book laptop. It is based on the Maxwell GM108 chip as the Geforce 940M with 384 shaders. Instead of the DDR3 graphics memory, the Surface Book graphics card features faster GDDR5 memory (both 64 Bit though). 

Thanks to the faster graphics memory, the Surface Book Geforce is performing better than the average GeForce 940M. However, the 945M and GTX 950M are still noticeably faster. Demanding games therefore only run in low settings fluently.

More details can be found in our extensive review of the 2015 Microsoft Surface Book with the dedicated Maxwell GPU.

NVIDIA GeForce 945MNVIDIA Maxwell GPU Surface Book (940M, GDDR5)
ManufacturerNVIDIANVIDIA
GeForce 900M Series
GeForce 945M 512 @ 928 - 1045 (Boost) MHz128 Bit @ 2000 MHz
Maxwell GPU (940M, GDDR5) 384 @ 954 - 993 (Boost) MHz64 Bit @ 5012 MHz
GeForce 940MX (compare) 384 @ 1122 - 1242 (Boost) MHz64 Bit @ 4000 MHz
GeForce 940M (compare) 384 @ 1072 - 1176 (Boost) MHz64 Bit @ 2000 MHz
GeForce 930MX (compare) 384 @ 952 - 1020 (Boost) MHz64 Bit @ 2000 MHz
GeForce 930M (compare) 384 @ 928 - 941 (Boost) MHz64 Bit @ 1800 MHz
GeForce 920MX (compare) 256 @ 965 - 993 (Boost) MHz64 Bit @ 1800 MHz
GeForce 920M (compare) 384 @ 954 MHz64 Bit @ 1800 MHz
GeForce 910M (compare) 384 @ 641 MHz64 Bit @ 2000 MHz
GeForce 945M 512 @ 928 - 1045 (Boost) MHz128 Bit @ 2000 MHz
Maxwell GPU (940M, GDDR5) 384 @ 954 - 993 (Boost) MHz64 Bit @ 5012 MHz
GeForce 940MX (compare) 384 @ 1122 - 1242 (Boost) MHz64 Bit @ 4000 MHz
GeForce 940M (compare) 384 @ 1072 - 1176 (Boost) MHz64 Bit @ 2000 MHz
GeForce 930MX (compare) 384 @ 952 - 1020 (Boost) MHz64 Bit @ 2000 MHz
GeForce 930M (compare) 384 @ 928 - 941 (Boost) MHz64 Bit @ 1800 MHz
GeForce 920MX (compare) 256 @ 965 - 993 (Boost) MHz64 Bit @ 1800 MHz
GeForce 920M (compare) 384 @ 954 MHz64 Bit @ 1800 MHz
GeForce 910M (compare) 384 @ 641 MHz64 Bit @ 2000 MHz
ArchitectureMaxwellMaxwell
512 - 384 -
Core928 - 1045 (Boost) MHz954 - 993 (Boost) MHz
Memory2000 MHz5012 MHz
Bus128 Bit64 Bit
MemoryDDR3GDDR5
Max. Memory4096 MB1024 MB
nono
DirectXDirectX 12 (FL 11_0), 5.0DirectX 12 (FL 11_0), 5.0
Transistors1870 Million
Technology28 nm28 nm
FeaturesGPU Boost 2.0, Optimus, PhysX, CUDA, GeForce ExperienceGPU Boost 2.0, Optimus, PhysX, CUDA, GeForce Experience
Size
Introduced12.03.2015 01.10.2015
CodenameSurface Book

3DMark - Ice Storm Unlimited Graphics Score 1280x720 offscreen
193684 Points (36%)
123411 Points (23%)
3DMark - Ice Storm Extreme Graphics 1920x1080
95097 Points (13%)
15597 Points (2%)
3DMark - Cloud Gate Standard Score 1280x720
min: 7913     avg: 9643     median: 9643 (16%)     max: 11373 Points
min: 7424     avg: 7464.5     median: 7464.5 (13%)     max: 7505 Points
3DMark - Cloud Gate Standard Graphics 1280x720
min: 17980     avg: 19405     median: 19405 (11%)     max: 20830 Points
min: 11340     avg: 11380     median: 11380 (6%)     max: 11420 Points
3DMark - Fire Strike Score 1920x1080
min: 2434     avg: 2504.5     median: 2504.5 (9%)     max: 2575 Points
min: 1886     avg: 1919     median: 1919 (7%)     max: 1952 Points
3DMark - Fire Strike Graphics 1920x1080
min: 2816     avg: 2850     median: 2850 (7%)     max: 2884 Points
min: 2031     avg: 2075.5     median: 2075.5 (5%)     max: 2120 Points
3DMark - Ice Storm Standard Graphics 1280x720
min: 55858     avg: 85595.5     median: 85595.5 (11%)     max: 115333 Points
min: 54088     avg: 54397     median: 54397 (7%)     max: 54706 Points
3DMark 11 - Performance 1280x720
min: 2877     avg: 3451     median: 3451 (11%)     max: 4025 points
min: 2711     avg: 2736     median: 2736 (9%)     max: 2761 points
3DMark 11 - Performance GPU 1280x720
min: 2759     avg: 3309.5     median: 3309.5 (6%)     max: 3860 points
min: 2548     avg: 2577     median: 2577 (5%)     max: 2606 points
3DMark Vantage
P Result 1280x1024 + NVIDIA GeForce 945M
P GPU no PhysX 1280x1024 + NVIDIA GeForce 945M
3DMark 06 Standard 1280x1024 + NVIDIA GeForce 945M
Standard 1280x1024 + NVIDIA Maxwell GPU Surface Book (940M, GDDR5)
Cinebench R10 Shading 32Bit + NVIDIA GeForce 945M
Shading 32Bit + NVIDIA Maxwell GPU Surface Book (940M, GDDR5)
Cinebench R11.5 OpenGL 64Bit + NVIDIA GeForce 945M
OpenGL 64Bit + NVIDIA Maxwell GPU Surface Book (940M, GDDR5)
Cinebench R15
OpenGL 64Bit + NVIDIA GeForce 945M
OpenGL 64Bit + NVIDIA Maxwell GPU Surface Book (940M, GDDR5)
Ref. Match 64Bit + NVIDIA GeForce 945M
Ref. Match 64Bit + NVIDIA Maxwell GPU Surface Book (940M, GDDR5)
GFXBench (DX / GLBenchmark) 2.7
T-Rex HD Offscreen C24Z16 1920x1080 + NVIDIA GeForce 945M
T-Rex HD Onscreen C24Z16 + NVIDIA GeForce 945M
GFXBench 3.0 - Manhattan Offscreen OGL off screen
113.6 fps (2%)
GFXBench 3.0 - Manhattan Onscreen OGL on screen
59.4 fps (2%)
LuxMark v2.0 64Bit - Room GPUs-only
439 Samples/s (8%)
513 Samples/s (10%)
LuxMark v2.0 64Bit - Sala GPUs-only
733 Samples/s (7%)
1065 Samples/s (10%)
ComputeMark v2.1 - Normal, Score 1024x600
1676 Points (6%)

Average Benchmarks NVIDIA GeForce 945M → 100%

Average Benchmarks NVIDIA Maxwell GPU Surface Book (940M, GDDR5) → 82%

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-
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

Fallout 4

Fallout 4

2015
low 1280x720
100%
GeForce 945M:
54  fps
med. 1366x768
100%
GeForce 945M:
33  fps
high 1920x1080
100%
GeForce 945M:
18  fps
ultra 1920x1080
100%
GeForce 945M:
15  fps
GeForce 945M:
»
Anno 2205

Anno 2205

2015
low 1024x768
100%
GeForce 945M:
63.3  fps
med. 1366x768
100%
GeForce 945M:
37.8  fps
high 1920x1080
100%
GeForce 945M:
17.2  fps
ultra 1920x1080
100%
GeForce 945M:
7.3  fps
GeForce 945M:
»
FIFA 16

FIFA 16

2015
low 1280x720
100%
GeForce 945M:
201  fps
high 1366x768
100%
GeForce 945M:
103.7  fps
ultra 1920x1080
100%
GeForce 945M:
69.3  fps
GeForce 945M:
»
low 1366x768
100%
GeForce 945M:
130.2  fps
med. 1366x768
100%
GeForce 945M:
113.7  fps
high 1920x1080
100%
GeForce 945M:
65.6  fps
ultra 1920x1080
100%
GeForce 945M:
43.7  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
60  fps
70%
Maxwell GPU (940M, GDDR5):
42  fps
med. 1366x768
100%
GeForce 945M:
60  fps
60%
Maxwell GPU (940M, GDDR5):
35.9  fps
high 1920x1080
100%
GeForce 945M:
35.2  fps
56%
Maxwell GPU (940M, GDDR5):
19.7  fps
ultra 1920x1080
100%
GeForce 945M:
23.7  fps
56%
Maxwell GPU (940M, GDDR5):
13.3  fps
GeForce 945M:
»
Maxwell GPU (940M, GDDR5):
»
Mad Max

Mad Max

2015
med. 1366x768
100%
GeForce 945M:
65.3  fps
high 1920x1080
100%
GeForce 945M:
31.6  fps
ultra 1920x1080
100%
GeForce 945M:
29.4  fps
GeForce 945M:
»
low 1280x720
100%
GeForce 945M:
47  fps
49%
Maxwell GPU (940M, GDDR5):
23  fps
med. 1366x768
100%
GeForce 945M:
39  fps
36%
Maxwell GPU (940M, GDDR5):
14  fps
high 1920x1080
100%
GeForce 945M:
18  fps
GeForce 945M:
»
Maxwell GPU (940M, GDDR5):
»
low 1024x768
100%
GeForce 945M:
51.9  fps
med. 1366x768
100%
GeForce 945M:
30.6  fps
high 1920x1080
100%
GeForce 945M:
17  fps
ultra 1920x1080
100%
GeForce 945M:
9.3  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
229  fps
med. 1366x768
100%
GeForce 945M:
98.5  fps
high 1920x1080
100%
GeForce 945M:
52.7  fps
ultra 1920x1080
100%
GeForce 945M:
22.1  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
117.8  fps
med. 1366x768
100%
GeForce 945M:
89.8  fps
high 1920x1080
100%
GeForce 945M:
32.3  fps
ultra 1920x1080
100%
GeForce 945M:
20.4  fps
GeForce 945M:
»
Evolve

Evolve

2015
low 1024x768
100%
GeForce 945M:
59.9  fps
med. 1366x768
100%
GeForce 945M:
36.8  fps
high 1920x1080
100%
GeForce 945M:
20.9  fps
ultra 1920x1080
100%
GeForce 945M:
18  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
98.4  fps
med. 1366x768
100%
GeForce 945M:
62  fps
high 1920x1080
100%
GeForce 945M:
21.2  fps
ultra 1920x1080
100%
GeForce 945M:
14  fps
GeForce 945M:
»
Far Cry 4

Far Cry 4

2014
low 1024x768
100%
GeForce 945M:
72.3  fps
med. 1366x768
100%
GeForce 945M:
53  fps
high 1920x1080
100%
GeForce 945M:
23.9  fps
ultra 1920x1080
100%
GeForce 945M:
19.1  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
44.8  fps
med. 1366x768
100%
GeForce 945M:
30.1  fps
high 1920x1080
100%
GeForce 945M:
18.1  fps
ultra 1920x1080
100%
GeForce 945M:
12.4  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
114.9  fps
med. 1366x768
100%
GeForce 945M:
61  fps
high 1920x1080
100%
GeForce 945M:
28.6  fps
ultra 1920x1080
100%
GeForce 945M:
15.7  fps
GeForce 945M:
»
F1 2014

F1 2014

2014
low 1024x768
Maxwell GPU (940M, GDDR5):
117  fps
med. 1366x768
Maxwell GPU (940M, GDDR5):
94  fps
high 1920x1080
Maxwell GPU (940M, GDDR5):
76  fps
ultra 1920x1080
Maxwell GPU (940M, GDDR5):
49  fps
Maxwell GPU (940M, GDDR5):
»
low 1024x768
100%
GeForce 945M:
130.2  fps
med. 1366x768
100%
GeForce 945M:
85.9  fps
high 1920x1080
100%
GeForce 945M:
43.7  fps
ultra 1920x1080
100%
GeForce 945M:
30.2  fps
GeForce 945M:
»
low 1280x720
100%
GeForce 945M:
75.4  fps
med. 1344x756
100%
GeForce 945M:
47.2  fps
high 1920x1080
100%
GeForce 945M:
26.1  fps
ultra 1920x1080
100%
GeForce 945M:
20  fps
GeForce 945M:
»
Sims 4

Sims 4

2014
low 1024x768
100%
GeForce 945M:
184  fps
med. 1366x768
100%
GeForce 945M:
101.1  fps
high 1920x1080
100%
GeForce 945M:
57.7  fps
ultra 1920x1080
100%
GeForce 945M:
45.5  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
198.7  fps
med. 1366x768
100%
GeForce 945M:
118.8  fps
high 1920x1080
100%
GeForce 945M:
68.5  fps
ultra 1920x1080
100%
GeForce 945M:
33.2  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
65  fps
med. 1366x768
100%
GeForce 945M:
53.2  fps
high 1920x1080
100%
GeForce 945M:
19.4  fps
ultra 1920x1080
100%
GeForce 945M:
13.7  fps
GeForce 945M:
»
Thief

Thief

2014
low 1024x768
100%
GeForce 945M:
71  fps
64%
Maxwell GPU (940M, GDDR5):
45.6  fps
med. 1366x768
100%
GeForce 945M:
44.7  fps
63%
Maxwell GPU (940M, GDDR5):
28.2  fps
high 1366x768
100%
GeForce 945M:
37  fps
60%
Maxwell GPU (940M, GDDR5):
22.3  fps
ultra 1920x1080
100%
GeForce 945M:
18.5  fps
51%
Maxwell GPU (940M, GDDR5):
9.4  fps
GeForce 945M:
»
Maxwell GPU (940M, GDDR5):
»
low 1024x768
100%
GeForce 945M:
111.9  fps
med. 1366x768
100%
GeForce 945M:
78.3  fps
high 1366x768
100%
GeForce 945M:
54.4  fps
ultra 1920x1080
100%
GeForce 945M:
21.6  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
133  fps
med. 1366x768
100%
GeForce 945M:
101  fps
high 1366x768
100%
GeForce 945M:
73  fps
ultra 1920x1080
100%
GeForce 945M:
17  fps
GeForce 945M:
»
low 1024x768
100%
GeForce 945M:
81.5  fps
73%
Maxwell GPU (940M, GDDR5):
59.6  fps
med. 1366x768
100%
GeForce 945M:
66.7  fps
67%
Maxwell GPU (940M, GDDR5):
44.7  fps
high 1366x768
100%
GeForce 945M:
38.6  fps
80%
Maxwell GPU (940M, GDDR5):
30.7  fps
ultra 1920x1080
100%
GeForce 945M:
18.8  fps
84%
Maxwell GPU (940M, GDDR5):
15.7  fps
GeForce 945M:
»
Maxwell GPU (940M, GDDR5):
»
low 1280x720
100%
GeForce 945M:
148.5  fps
63%
Maxwell GPU (940M, GDDR5):
94.2  fps
med. 1366x768
100%
GeForce 945M:
92.9  fps
70%
Maxwell GPU (940M, GDDR5):
64.8  fps
high 1366x768
100%
GeForce 945M:
78.7  fps
72%
Maxwell GPU (940M, GDDR5):
56.5  fps
ultra 1920x1080
100%
GeForce 945M:
26.4  fps
79%
Maxwell GPU (940M, GDDR5):
20.8  fps
GeForce 945M:
»
Maxwell GPU (940M, GDDR5):
»
low 1024x768
Maxwell GPU (940M, GDDR5):
258  fps
med. 1366x768
Maxwell GPU (940M, GDDR5):
141.2  fps
high 1366x768
Maxwell GPU (940M, GDDR5):
74.2  fps
ultra 1920x1080
Maxwell GPU (940M, GDDR5):
37.5  fps
Maxwell GPU (940M, GDDR5):
»
low 1024x768
100%
GeForce 945M:
233.3  fps
69%
Maxwell GPU (940M, GDDR5):
161.5  fps
med. 1366x768
100%
GeForce 945M:
117.6  fps
70%
Maxwell GPU (940M, GDDR5):
82.8  fps
high 1366x768
100%
GeForce 945M:
68  fps
81%
Maxwell GPU (940M, GDDR5):
55.2  fps
ultra 1920x1080
100%
GeForce 945M:
31.4  fps
82%
Maxwell GPU (940M, GDDR5):
25.8  fps
GeForce 945M:
»
Maxwell GPU (940M, GDDR5):
»
Crysis 3

Crysis 3

2013
low 1024x768
100%
GeForce 945M:
85.7  fps
med. 1366x768
100%
GeForce 945M:
50.4  fps
high 1366x768
100%
GeForce 945M:
33.9  fps
ultra 1920x1080
100%
GeForce 945M:
12.6  fps
GeForce 945M:
»
low 1024x768
Maxwell GPU (940M, GDDR5):
112.4  fps
med. 1366x768
Maxwell GPU (940M, GDDR5):
85.6  fps
high 1366x768
Maxwell GPU (940M, GDDR5):
42.8  fps
ultra 1920x1080
Maxwell GPU (940M, GDDR5):
10.9  fps
Maxwell GPU (940M, GDDR5):
»
med. 1366x768
100%
GeForce 945M:
50  fps
high 1366x768
100%
GeForce 945M:
48  fps
ultra 1920x1080
100%
GeForce 945M:
40  fps
GeForce 945M:
»

Average Gaming NVIDIA GeForce 945M → 100%

Average Gaming NVIDIA Maxwell GPU Surface Book (940M, GDDR5) → 66%

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Redaktion, 2017-09- 8 (Update: 2017-09-11)