GeForce GTX 765M
VS
GeForce GT 645

GeForce GTX 765M vs GeForce GT 645

NVIDIA

GeForce GTX 765M

2013Core: 850 MHzBoost: 863 MHz
VS
NVIDIA

GeForce GT 645

2012Core: Up to 710 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 765M is positioned at rank 109 and the GeForce GT 645 is on rank 242, so the GeForce GTX 765M 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 765M

#99
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
270%
#101
244%
#102
244%
#106
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
222%
#107
Radeon RX 6300
MSRP: $60|Avg: $40
220%
#109
GeForce GTX 765M
MSRP: N/A|Avg: N/A
100%
#110
GeForce RTX 3050 4GB Mobile
MSRP: N/A|Avg: $150
100%
#114
Radeon RX 470 (móvel)
MSRP: $179|Avg: $40
97%
#116
GeForce GTX 880M
MSRP: N/A|Avg: $150
95%
#117
GeForce MX570
MSRP: $150|Avg: $120
95%
#118
Radeon RX 6500
MSRP: $199|Avg: $150
95%
#119
GeForce 825M
MSRP: N/A|Avg: $30
94%
#121
Radeon HD 6970M
MSRP: N/A|Avg: $48
94%
#123
Radeon HD 6970M Crossfire
MSRP: $150|Avg: $150
93%
Based on actual market prices and performance benchmarks.

Performance Per Dollar GeForce GT 645

#54
Radeon RX 6800S
MSRP: $800|Avg: $800
98%
#232
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
536%
#234
486%
#235
485%
#239
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
441%
#240
Radeon RX 6300
MSRP: $60|Avg: $40
438%
#242
GeForce GT 645
MSRP: $99|Avg: $15
100%
#252
GeForce 720A
MSRP: $30|Avg: $30
95%
#253
GeForce GT 520M
MSRP: $60|Avg: N/A
93%
#254
93%
#257
GeForce GTX 770M SLI
MSRP: N/A|Avg: $80
92%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GTX 765M is the superior choice for raw performance. It leads with a 0.4% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 645.

InsightGeForce GTX 765MGeForce GT 645
Performance
Leading raw performance (+0.4%)
Lower raw frame rates (-0.4%)
Longevity
🛑Obsolete Architecture (2013 / Kepler (2012−2018))
🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+0%)
Efficiency
⚡ Higher Power Consumption
💡 Excellent Perf/Watt
Case Fit
📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the GeForce GTX 765M 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 765M and GeForce GT 645

NVIDIA

GeForce GTX 765M

The GeForce GTX 765M is manufactured by NVIDIA. It was released in May 30 2013. It features the Kepler architecture. The core clock ranges from 850 MHz to 863 MHz. It has 768 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,014 points.

NVIDIA

GeForce GT 645

The GeForce GT 645 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: 2,006 points.

Graphics Performance

The GeForce GTX 765M scores 2,014 and the GeForce GT 645 reaches 2,006 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The GeForce GTX 765M is built on Kepler while the GeForce GT 645 uses Kepler, both on a 28 nm process. Shader units: 768 (GeForce GTX 765M) vs 384 (GeForce GT 645). Raw compute: 1.326 TFLOPS (GeForce GTX 765M) vs 0.5445 TFLOPS (GeForce GT 645).

FeatureGeForce GTX 765MGeForce GT 645
G3D Mark Score
2,014
2,006
Architecture
Kepler
Kepler
Process Node
28 nm
28 nm
Shading Units
768+100%
384
Compute (TFLOPS)
1.326 TFLOPS+144%
0.5445 TFLOPS
ROPs
16
16
TMUs
64+100%
32
L1 Cache
64 KB+100%
32 KB
L2 Cache
256 KB
256 KB

Advanced Features (DLSS/FSR)

FeatureGeForce GTX 765MGeForce GT 645
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)

Both cards feature 2 GB of GDDR5. Bus width: 128-bit vs 128-bit.

FeatureGeForce GTX 765MGeForce GT 645
VRAM Capacity
2 GB
2 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
80 GB/s
Unknown
Bus Width
128-bit
128-bit
L2 Cache
256 KB
256 KB
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GTX 765M) vs 12 (11_0) (GeForce GT 645). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.

FeatureGeForce GTX 765MGeForce GT 645
DirectX
12 (11_0)
12 (11_0)
Vulkan
1.2
1.2
OpenGL
4.6
4.6
Max Displays
4+33%
3
🎬

Media & Encoding

Hardware encoder: 1st Gen NVENC (GeForce GTX 765M) vs NVENC (1st Gen) (GeForce GT 645). Decoder: 1st Gen NVDEC (VP5) vs NVDEC (1st Gen). Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 (GeForce GTX 765M) vs H.264,MPEG-2,VC-1 (GeForce GT 645).

FeatureGeForce GTX 765MGeForce GT 645
Encoder
1st Gen NVENC
NVENC (1st Gen)
Decoder
1st Gen NVDEC (VP5)
NVDEC (1st Gen)
Codecs
H.264,VC-1,MPEG-2,MPEG-4
H.264,MPEG-2,VC-1
🔌

Power & Dimensions

The GeForce GTX 765M draws 75W versus the GeForce GT 645's 32W — a 80.4% difference. The GeForce GT 645 is more power-efficient. Recommended PSU: 350W (GeForce GTX 765M) vs 350W (GeForce GT 645). Power connectors: 1x 6-pin vs PCIe-powered. Typical load temperature: 80°C vs 80.

FeatureGeForce GTX 765MGeForce GT 645
TDP
75W
32W-57%
Recommended PSU
350W
350W
Power Connector
1x 6-pin
PCIe-powered
Length
145mm
Height
111mm
Slots
0-100%
1
Temp (Load)
80°C
80
Perf/Watt
26.9
62.7+133%
💰

Value Analysis

The GeForce GTX 765M is the newer GPU (2013 vs 2012).

FeatureGeForce GTX 765MGeForce GT 645
MSRP
$99
Avg Price (30d)
$15
Codename
GK106
GK107
Release
May 30 2013
October 1 2012
Ranking
#680
#903