Radeon RX 640 vs GeForce 945M

Performance Spectrum - GPU

Radeon RX 640

50

2,172

+3.0%

Radeon R9 M270X

Radeon Vega 6 Ryzen 3 3350U

Radeon Vega 8 Ryzen 3 3200G

Radeon RX 6750 GRE 12GB

GeForce 945M

75

2,109

0.0%

GeForce GTX 970XM FORCE

RTX 500 Ada Generation Laptop GPU

GeForce GTX 1080

TITAN V

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 Radeon RX 640 is positioned at rank 323 and the GeForce 945M is on rank 100, so the GeForce 945M 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 RX 640

#313

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

795%

#315

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

720%

#316

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

719%

#320

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

653%

#321

Radeon RX 6300

MSRP: $60|Avg: $40

649%

#323

Radeon RX 640

MSRP: $159|Avg: $55

100%

#326

Iris Pro Graphics P580

MSRP: $150|Avg: $60

99%

#327

Radeon E8870PCIe

MSRP: $250|Avg: $200

99%

#330

Arc Graphics 140T

MSRP: $350|Avg: $300

94%

#331

Radeon 680M

MSRP: N/A|Avg: $80

94%

#333

GeForce 730A

MSRP: $60|Avg: $20

93%

#334

GeForce GT 745A

MSRP: $99|Avg: $20

91%

#335

GeForce 710A

MSRP: $35|Avg: $62

91%

#336

Radeon HD 8670D + HD 6670 Dual

MSRP: $100|Avg: $10

89%

#338

GeForce MX230

MSRP: $150|Avg: $150

89%

Based on actual market prices and performance benchmarks.

Performance Per Dollar GeForce 945M

#30

Radeon 8050S

MSRP: $400|Avg: $400

96%

#31

Radeon RX 8050S

MSRP: $400|Avg: $400

96%

#90

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

257%

#92

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

233%

#93

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

233%

#97

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

212%

#98

Radeon RX 6300

MSRP: $60|Avg: $40

210%

#100

GeForce 945M

MSRP: N/A|Avg: $98

100%

#103

Radeon RX 460 (móvel)

MSRP: $99|Avg: $45

98%

#105

GeForce GTX 680M

MSRP: N/A|Avg: $50

97%

#106

Radeon HD 7470M

MSRP: N/A|Avg: $12

97%

#110

GeForce RTX 3050 4GB Mobile

MSRP: N/A|Avg: $150

95%

#114

Radeon RX 470 (móvel)

MSRP: $179|Avg: $40

93%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon RX 640 uses modern memory architecture. The Radeon RX 640 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce 945M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon RX 640 is the superior choice for raw performance. It leads with a 3% higher G3D Mark score and 700% more VRAM (4 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 945M.

Insight	Radeon RX 640	GeForce 945M
Performance	✅Leading raw performance (+3%)	❌Lower raw frame rates (-3%)
Longevity	GCN 4.0 (2016−2020) (14nm)	🛑Obsolete Architecture (2015 / Maxwell (2014−2017))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+700%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	—

💎 Value Proposition

The Radeon RX 640 offers a compelling cost-to-performance ratio. Priced at $55 versus $98 for the GeForce 945M, it costs 44% less. While it maintains basic entry-level capabilities, this results in a 83.5% higher cost efficiency score.

Insight	Radeon RX 640	GeForce 945M
Cost Efficiency	✅Better overall value (+83.5%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($55)	⚠️Higher upfront cost ($98)

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 RX 640 Benchmark Check

GeForce 945M Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Radeon RX 640 and GeForce 945M

Radeon RX 640

The Radeon RX 640 is manufactured by AMD. It was released in May 13 2019. It features the GCN 4.0 architecture. The core clock ranges from 1082 MHz to 1218 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,172 points.

GeForce 945M

The GeForce 945M is manufactured by NVIDIA. It was released in October 27 2015. It features the Maxwell architecture. The core clock ranges from 928 MHz to 1020 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,109 points.

⚡

Graphics Performance

The Radeon RX 640 scores 2,172 and the GeForce 945M reaches 2,109 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The Radeon RX 640 is built on GCN 4.0 while the GeForce 945M uses Maxwell, both on 14 nm vs 28 nm. Shader units: 640 (Radeon RX 640) vs 640 (GeForce 945M). Raw compute: 1.559 TFLOPS (Radeon RX 640) vs 1.306 TFLOPS (GeForce 945M). Boost clocks: 1218 MHz vs 1020 MHz.

Feature	Radeon RX 640	GeForce 945M
G3D Mark Score	2,172+3%	2,109
Architecture	GCN 4.0	Maxwell
Process Node	14 nm	28 nm
Shading Units	640	640
Compute (TFLOPS)	1.559 TFLOPS+19%	1.306 TFLOPS
Boost Clock	1218 MHz+19%	1020 MHz
ROPs	16	16
TMUs	40	40
L1 Cache	160 KB	320 KB+100%
L2 Cache	0.5 MB	2 MB+300%

✨

Advanced Features (DLSS/FSR)

A critical advantage for the Radeon RX 640 is support for FSR 3 / AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The GeForce 945M lacks specific hardware/driver support for this native frame generation tier.

Feature	Radeon RX 640	GeForce 945M
Upscaling Tech	FSR 3 (Native)	FSR 1.0 (Software)
Frame Generation	FSR 3 / AFMF (Driver)	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

💾

Video Memory (VRAM)

The Radeon RX 640 comes with 4 GB of VRAM, while the GeForce 945M has 512 MB. The Radeon RX 640 offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 0.5 MB (Radeon RX 640) vs 2 MB (GeForce 945M) — the GeForce 945M has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon RX 640	GeForce 945M
VRAM Capacity	4 GB+700%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	80 GB/s
Bus Width	128-bit	128-bit
L2 Cache	0.5 MB	2 MB+300%

🖥️

Display & API Support

DirectX support: 12 (FL 12_0) (Radeon RX 640) vs 12 (11_0) (GeForce 945M). Vulkan: 1.3 vs 1.1. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 6 vs 2.

Feature	Radeon RX 640	GeForce 945M
DirectX	12 (FL 12_0)	12 (11_0)
Vulkan	1.3+18%	1.1
OpenGL	4.6	4.6
Max Displays	6+200%	2

🎬

Media & Encoding

Hardware encoder: VCE 3.4 (Radeon RX 640) vs NVENC (Maxwell) (GeForce 945M). Decoder: UVD 6.3 vs PureVideo HD (VP6). Supported codecs: H.264,H.265/HEVC (Radeon RX 640) vs H.264,H.265,MPEG-2 (GeForce 945M).

Feature	Radeon RX 640	GeForce 945M
Encoder	VCE 3.4	NVENC (Maxwell)
Decoder	UVD 6.3	PureVideo HD (VP6)
Codecs	H.264,H.265/HEVC	H.264,H.265,MPEG-2

🔌

Power & Dimensions

The Radeon RX 640 draws 50W versus the GeForce 945M's 75W — a 40% difference. The Radeon RX 640 is more power-efficient. Recommended PSU: 350W (Radeon RX 640) vs 350W (GeForce 945M). Power connectors: PCIe-powered vs Legacy.

Feature	Radeon RX 640	GeForce 945M
TDP	50W-33%	75W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	Legacy
Length	—	0mm
Height	—	0mm
Slots	1	0-100%
Temp (Load)	—	75
Perf/Watt	43.4+54%	28.1

💰

Value Analysis

The Radeon RX 640 costs 43.9% less ($43 savings) at current market prices. Performance per dollar (G3D Mark / price): 39.5 (Radeon RX 640) vs 21.5 (GeForce 945M) — the Radeon RX 640 offers 83.7% better value. The Radeon RX 640 is the newer GPU (2019 vs 2015).