GeForce GT 645M
VS
GRID M6-0B

GeForce GT 645M vs GRID M6-0B

NVIDIA

GeForce GT 645M

2012Core: Up to 710 MHz
VS

GRID M6-0B

2015Core: 722 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 GT 645M is positioned at rank 80 and the GRID M6-0B is on rank 374, so the GeForce GT 645M 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 GT 645M

#25
Radeon RX 7600M XT
MSRP: $329|Avg: $300
94%
#70
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
230%
#72
208%
#73
208%
#77
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
189%
#78
Radeon RX 6300
MSRP: $60|Avg: $40
188%
#80
GeForce GT 645M
MSRP: N/A|Avg: N/A
100%
#82
Arc 7-Core iGPU
MSRP: $199|Avg: N/A
99%
#87
Radeon RX 560 (móvel)
MSRP: $99|Avg: $50
96%
#92
Radeon RX 550 (móvel)
MSRP: $79|Avg: $40
94%
#95
GeForce GT 555M
MSRP: N/A|Avg: $35
92%
Based on actual market prices and performance benchmarks.

Performance Per Dollar GRID M6-0B

#358
Tesla K20m
MSRP: $3199|Avg: $55
24218%
#373
Quadro 6000
MSRP: $4399|Avg: $150
100%
#374
GRID M6-0B
MSRP: $1500|Avg: $100
100%
#375
RTXA5000-6Q
MSRP: $2500|Avg: $2500
100%
#376
GRID M10-1B
MSRP: $2500|Avg: $150
98%
#377
Tesla K40c
MSRP: $7699|Avg: $500
95%
#378
Quadro FX 4800
MSRP: $1799|Avg: $80
92%
#379
Tesla M2090
MSRP: $2500|Avg: $40
92%
#380
GRID K180Q
MSRP: $1000|Avg: $1000
87%
#381
GRID K2
MSRP: $5199|Avg: $80
87%
#382
Quadro CX
MSRP: $1999|Avg: $500
77%
#383
GRID P100-8Q
MSRP: $7374|Avg: $550
72%
#384
Quadro FX 550
MSRP: $150|Avg: $10
70%
#385
Quadro FX 350
MSRP: $199|Avg: $15
70%
#386
Tesla M2070
MSRP: $3099|Avg: $50
69%
#387
GRID V100D-8Q
MSRP: $10000|Avg: $10000
69%
#388
GRID M10-0Q
MSRP: $2000|Avg: $150
66%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GT 645M is the superior choice for raw performance. It leads with a 3.6% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GRID M6-0B.

InsightGeForce GT 645MGRID M6-0B
Performance
Leading raw performance (+3.6%)
Lower raw frame rates (-3.6%)
Longevity
🛑Obsolete Architecture (2012 / Kepler (2012−2018))
🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+300%)
❌ Less VRAM capacity
Efficiency
💡 Excellent Perf/Watt
⚡ Higher Power Consumption
Case Fit
📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the GeForce GT 645M 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 GT 645M and GRID M6-0B

NVIDIA

GeForce GT 645M

The GeForce GT 645M is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 945 points.

NVIDIA

GRID M6-0B

The GRID M6-0B is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock speed is 722 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 912 points.

Graphics Performance

The GeForce GT 645M scores 945 and the GRID M6-0B reaches 912 in the G3D Mark benchmark — just a 3.6% difference, making them near-identical in rasterization performance. The GeForce GT 645M is built on Kepler while the GRID M6-0B uses Maxwell 2.0, both on a 28 nm process. Shader units: 384 (GeForce GT 645M) vs 1,536 (GRID M6-0B). Raw compute: 0.5445 TFLOPS (GeForce GT 645M) vs 2.218 TFLOPS (GRID M6-0B).

FeatureGeForce GT 645MGRID M6-0B
G3D Mark Score
945+4%
912
Architecture
Kepler
Maxwell 2.0
Process Node
28 nm
28 nm
Shading Units
384
1536+300%
Compute (TFLOPS)
0.5445 TFLOPS
2.218 TFLOPS+307%
ROPs
16
64+300%
TMUs
32
96+200%
L1 Cache
32 KB
576 KB+1700%
L2 Cache
0.25 MB
2 MB+700%

Advanced Features (DLSS/FSR)

FeatureGeForce GT 645MGRID M6-0B
Upscaling Tech
FSR 1.0 (Software)
FSR 1.0 (Software)
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
Standard
💾

Video Memory (VRAM)

The GeForce GT 645M comes with 2 GB of VRAM, while the GRID M6-0B has 512 MB. The GeForce GT 645M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 0.25 MB (GeForce GT 645M) vs 2 MB (GRID M6-0B) — the GRID M6-0B has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce GT 645MGRID M6-0B
VRAM Capacity
2 GB+300%
0.5 GB
Memory Type
GDDR5
GDDR5
Bus Width
128-bit+100%
64-bit
L2 Cache
0.25 MB
2 MB+700%
🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 645M) vs 12_1 (GRID M6-0B). Maximum simultaneous displays: 1 vs 0.

FeatureGeForce GT 645MGRID M6-0B
DirectX
11.0
12_1+9%
Max Displays
1
0
🔌

Power & Dimensions

The GeForce GT 645M draws 32W versus the GRID M6-0B's 100W — a 103% difference. The GeForce GT 645M is more power-efficient. Recommended PSU: 350W (GeForce GT 645M) vs 350W (GRID M6-0B). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.

FeatureGeForce GT 645MGRID M6-0B
TDP
32W-68%
100W
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Length
0mm
1mm
Height
0mm
Slots
0
0
Temp (Load)
70°C
Perf/Watt
29.5+224%
9.1
💰

Value Analysis

The GRID M6-0B is the newer GPU (2015 vs 2012).

FeatureGeForce GT 645MGRID M6-0B
MSRP
$1500
Avg Price (30d)
$100
Codename
GK107
GM204
Release
October 1 2012
August 30 2015
Ranking
#903
#535