GeForce GTX 660M
VS
GeForce 845M

GeForce GTX 660M vs GeForce 845M

NVIDIA

GeForce GTX 660M

2012Core: 835 MHzBoost: 950 MHz
VS
NVIDIA

GeForce 845M

2015Core: 1071 MHzBoost: 1176 MHz

Performance Spectrum - GPU

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The GeForce GTX 660M is positioned at rank 190 and the GeForce 845M is on rank 259, so the GeForce GTX 660M offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar GeForce GTX 660M

#180
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
374%
#182
339%
#183
338%
#187
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
307%
#188
Radeon RX 6300
MSRP: $60|Avg: $40
305%
#190
GeForce GTX 660M
MSRP: N/A|Avg: N/A
100%
#195
GeForce GT625M
MSRP: N/A|Avg: $45
97%
#197
96%
#203
GeForce GT 730M
MSRP: N/A|Avg: $45
93%
Based on actual market prices and performance benchmarks.

Performance Per Dollar GeForce 845M

#248
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
584%
#250
529%
#251
528%
#255
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
480%
#256
Radeon RX 6300
MSRP: $60|Avg: $40
477%
#259
GeForce 845M
MSRP: N/A|Avg: N/A
100%
#261
GeForce 945A
MSRP: $100|Avg: $25
100%
#262
Intel UHD Graphics P630
MSRP: $100|Avg: $50
99%
#263
99%
#264
Radeon HD 8970M Crossfire
MSRP: $300|Avg: $75
99%
#269
GeForce GTX 960A
MSRP: $199|Avg: $60
94%
#270
Radeon HD 8770
MSRP: $150|Avg: $150
93%
#272
Radeon R9 M295X
MSRP: $300|Avg: $150
92%
#273
GeForce GT 325M
MSRP: N/A|Avg: $20
91%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce 845M is the superior choice for raw performance. It leads with a 2.4% higher G3D Mark score. However, the GeForce GTX 660M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

InsightGeForce GTX 660MGeForce 845M
Performance
Lower raw frame rates (-2.4%)
Leading raw performance (+2.4%)
Longevity
🛑Obsolete Architecture (2012 / Kepler (2012−2018))
🛑Obsolete Architecture (2015 / Maxwell (2014−2017))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+300%)
❌ Less VRAM capacity
Efficiency
⚡ Higher Power Consumption
💡 Excellent Perf/Watt
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the GeForce 845M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Technical Specifications

Side-by-side comparison of GeForce GTX 660M and GeForce 845M

NVIDIA

GeForce GTX 660M

The GeForce GTX 660M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from 835 MHz to 950 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,452 points.

NVIDIA

GeForce 845M

The GeForce 845M is manufactured by NVIDIA. It was released in August 26 2015. It features the Maxwell architecture. The core clock ranges from 1071 MHz to 1176 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,487 points.

Graphics Performance

The GeForce GTX 660M scores 1,452 and the GeForce 845M reaches 1,487 in the G3D Mark benchmark — just a 2.4% difference, making them near-identical in rasterization performance. The GeForce GTX 660M is built on Kepler while the GeForce 845M uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce GTX 660M) vs 384 (GeForce 845M). Raw compute: 0.7296 TFLOPS (GeForce GTX 660M) vs 0.9032 TFLOPS (GeForce 845M). Boost clocks: 950 MHz vs 1176 MHz.

FeatureGeForce GTX 660MGeForce 845M
G3D Mark Score
1,452
1,487+2%
Architecture
Kepler
Maxwell
Process Node
28 nm
28 nm
Shading Units
384
384
Compute (TFLOPS)
0.7296 TFLOPS
0.9032 TFLOPS+24%
Boost Clock
950 MHz
1176 MHz+24%
ROPs
16
16
TMUs
32
32
L1 Cache
32 KB
192 KB+500%
L2 Cache
0.25 MB
1 MB+300%

Advanced Features (DLSS/FSR)

FeatureGeForce GTX 660MGeForce 845M
Upscaling Tech
FSR 2.1 (Compatible)
FSR 1.0 (Software)
Frame Generation
FSR 3 (Compatible)
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
Standard
💾

Video Memory (VRAM)

The GeForce GTX 660M comes with 2 GB of VRAM, while the GeForce 845M has 512 MB. The GeForce GTX 660M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 0.25 MB (GeForce GTX 660M) vs 1 MB (GeForce 845M) — the GeForce 845M has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce GTX 660MGeForce 845M
VRAM Capacity
2 GB+300%
0.5 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
0.25 MB
1 MB+300%
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GTX 660M) vs 12 (11_0) (GeForce 845M). Vulkan: 1.2 vs 1.3. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 4 vs 3.

FeatureGeForce GTX 660MGeForce 845M
DirectX
12 (11_0)
12 (11_0)
Vulkan
1.2
1.3+8%
OpenGL
4.5
4.6+2%
Max Displays
4+33%
3
🎬

Media & Encoding

Hardware encoder: NVENC 1st Gen (GeForce GTX 660M) vs 4th Gen NVENC (Maxwell) (GeForce 845M). Decoder: PureVideo HD VP5 vs PureVideo HD VP6. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 660M) vs H.264,HEVC (GeForce 845M).

FeatureGeForce GTX 660MGeForce 845M
Encoder
NVENC 1st Gen
4th Gen NVENC (Maxwell)
Decoder
PureVideo HD VP5
PureVideo HD VP6
Codecs
H.264,VC-1,MPEG-2,MPEG-4 ASP
H.264,HEVC
🔌

Power & Dimensions

The GeForce GTX 660M draws 50W versus the GeForce 845M's 33W — a 41% difference. The GeForce 845M is more power-efficient. Recommended PSU: 350W (GeForce GTX 660M) vs 350W (GeForce 845M). Power connectors: 1x 6-pin vs Legacy. Typical load temperature: 60°C vs 85°C.

FeatureGeForce GTX 660MGeForce 845M
TDP
50W
33W-34%
Recommended PSU
350W
350W
Power Connector
1x 6-pin
Legacy
Slots
0
0
Temp (Load)
60°C-29%
85°C
Perf/Watt
29.0
45.1+56%