Radeon R7 M270DX vs GeForce GT 645M

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 Radeon R7 M270DX is positioned at rank 372 and the GeForce GT 645M is on rank 80, 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 Radeon R7 M270DX

#362

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1129%

#364

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1023%

#365

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1020%

#369

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

928%

#370

Radeon RX 6300

MSRP: $60|Avg: $40

922%

#372

Radeon R7 M270DX

MSRP: $100|Avg: $20

100%

#373

Radeon HD 7660G

MSRP: $50|Avg: $50

100%

#374

Radeon HD 6670/7670

MSRP: $99|Avg: $40

99%

#375

Radeon 620

MSRP: $100|Avg: $50

99%

#376

Radeon R5 435

MSRP: $80|Avg: $80

99%

#377

Radeon R9 M470X

MSRP: $350|Avg: $350

96%

#379

Radeon R9 M380

MSRP: $300|Avg: $300

95%

#381

Radeon HD 7640G

MSRP: $50|Avg: $50

94%

#384

Radeon R7 M465

MSRP: $120|Avg: $35

92%

#386

GeForce GT 640M LE

MSRP: $80|Avg: $20

91%

#387

Radeon Vega 8 Ryzen 5 3450U

MSRP: $150|Avg: $40

90%

Based on actual market prices and performance benchmarks.

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

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

208%

#73

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

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 Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon R7 M270DX is the superior choice for raw performance. It leads with a 1.8% higher G3D Mark score. However, the GeForce GT 645M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon R7 M270DX	GeForce GT 645M
Performance	✅Leading raw performance (+1.8%)	❌Lower raw frame rates (-1.8%)
Longevity	🛑Obsolete Architecture (2014 / GCN 3.0 (2014−2019))	🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+300%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	—	—

💎 Value Proposition

While current pricing data is unavailable, the Radeon R7 M270DX 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.

Radeon R7 M270DX Benchmark Check

GeForce GT 645M Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon R7 M270DX and GeForce GT 645M

Radeon R7 M270DX

The Radeon R7 M270DX is manufactured by AMD. It was released in June 11 2014. It features the GCN 3.0 architecture. The core clock ranges from 900 MHz to 940 MHz. It has 384 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 962 points.

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.

⚡

Graphics Performance

The Radeon R7 M270DX scores 962 and the GeForce GT 645M reaches 945 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The Radeon R7 M270DX is built on GCN 3.0 while the GeForce GT 645M uses Kepler, both on a 28 nm process. Shader units: 384 (Radeon R7 M270DX) vs 384 (GeForce GT 645M). Raw compute: 0.7219 TFLOPS (Radeon R7 M270DX) vs 0.5445 TFLOPS (GeForce GT 645M).

Feature	Radeon R7 M270DX	GeForce GT 645M
G3D Mark Score	962+2%	945
Architecture	GCN 3.0	Kepler
Process Node	28 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.7219 TFLOPS+33%	0.5445 TFLOPS
ROPs	8	16+100%
TMUs	24	32+33%
L1 Cache	96 KB+200%	32 KB
L2 Cache	256 KB	256 KB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon R7 M270DX	GeForce GT 645M
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

💾

Video Memory (VRAM)

The Radeon R7 M270DX comes with 512 MB of VRAM, while the GeForce GT 645M has 2 GB. The GeForce GT 645M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.

Feature	Radeon R7 M270DX	GeForce GT 645M
VRAM Capacity	0.5 GB	2 GB+300%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	256 KB

🔌

Power & Dimensions

The Radeon R7 M270DX draws 75W versus the GeForce GT 645M's 32W — a 80.4% difference. The GeForce GT 645M is more power-efficient. Recommended PSU: 350W (Radeon R7 M270DX) vs 350W (GeForce GT 645M). Power connectors: Mobile vs PCIe-powered.