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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

GeForce GT 640

2012

Why buy it

✅Costs $101 less on MSRP ($99 MSRP vs $200 MSRP).
✅Delivers 102.4% more G3D Mark for each dollar spent, at 11.8 vs 5.8 G3D/$ ($99 MSRP vs $200 MSRP).
✅Draws 65W instead of 75W, a 10W reduction.

Trade-offs

❌Lower average FPS than Radeon R9 M265X across 50 tracked games in our benchmark data.
❌Very weak future-proofing: 2012-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.

Radeon R9 M265X

2014

Why buy it

✅23.4% more average FPS across 50 tracked games in our benchmark data.
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Very weak future-proofing: 2014-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌
102% HIGHER MSRP
$200 MSRPvs$99 MSRP
❌Lower G3D Mark per dollar, at 5.8 vs 11.8 G3D/$ ($200 MSRP vs $99 MSRP).
❌15.4% higher power demand at 75W vs 65W.

GeForce GT 640

2012

Radeon R9 M265X

2014

Why buy it

✅Costs $101 less on MSRP ($99 MSRP vs $200 MSRP).
✅Delivers 102.4% more G3D Mark for each dollar spent, at 11.8 vs 5.8 G3D/$ ($99 MSRP vs $200 MSRP).
✅Draws 65W instead of 75W, a 10W reduction.

Why buy it

✅23.4% more average FPS across 50 tracked games in our benchmark data.
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Radeon R9 M265X across 50 tracked games in our benchmark data.
❌Very weak future-proofing: 2012-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.

Trade-offs

❌Very weak future-proofing: 2014-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌
102% HIGHER MSRP
$200 MSRPvs$99 MSRP
❌Lower G3D Mark per dollar, at 5.8 vs 11.8 G3D/$ ($200 MSRP vs $99 MSRP).
❌15.4% higher power demand at 75W vs 65W.

Quick Answers

So, is Radeon R9 M265X better than GeForce GT 640?

Yes. Radeon R9 M265X is the better GPU overall here. You are getting 23.4% more average FPS across 50 tracked games in our benchmark data and 0.2% higher PassMark G3D performance. It also comes from 2014 instead of 2012, which helps its case as the more complete modern gaming card.

Which one is more future-proof for 2026 and beyond?

GeForce GT 640 is the more future-proof choice for 2026 and beyond. You are getting the stronger feature stack with no meaningful modern upscaling stack instead of FSR upscaling. That broader feature stack should age better as more games lean on modern upscaling and frame-generation support.

Which one is the smarter buy today, not just the cheaper card?

Radeon R9 M265X is the smarter buy by a wide margin. Radeon R9 M265X is about 102.0% more expensive on MSRP at $200 MSRP versus $99 MSRP, and you are getting 23.4% more estimated average FPS across 50 tracked games in our benchmark data and a lower G3D Mark (1,167 vs 1,169). GeForce GT 640 really only makes sense now as a very cheap stopgap or a used-market placeholder.

When does GeForce GT 640 make more sense than Radeon R9 M265X?

Yes. GeForce GT 640 is still an excellent gaming GPU in 2026: it is still comfortable for 1080p and decent for 1440p, though 4K is more situational. It makes more sense if your priority is lower power draw (65W vs 75W), future-proofing, and staying closer to $99 MSRP more than squeezing out the extra headroom of Radeon R9 M265X. The trade-off is that Radeon R9 M265X currently gives you a lower G3D Mark (1,167 vs 1,169) and 23.4% more estimated average FPS across 50 tracked games in our benchmark data. GeForce GT 640 still holds the G3D-per-dollar lead, so the performance win comes with a real value premium.

Games Benchmarks

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 9800X3D 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.

GeForce GT 640 Benchmark Check

Radeon R9 M265X Benchmark Check

Path of Exile 2

Preset	GeForce GT 640	Radeon R9 M265X
1080p
low	13 FPS	24 FPS
medium	9 FPS	15 FPS
high	5 FPS	10 FPS
ultra	3 FPS	5 FPS
1440p
low	9 FPS	12 FPS
medium	5 FPS	6 FPS
high	2 FPS	3 FPS
ultra	1 FPS	2 FPS
4K
low	4 FPS	4 FPS
medium	2 FPS	3 FPS
high	1 FPS	1 FPS
ultra	1 FPS	1 FPS

Open GeForce GT 640 Open Radeon R9 M265X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce GT 640	Radeon R9 M265X
1080p
low	34 FPS	39 FPS
medium	15 FPS	20 FPS
high	11 FPS	14 FPS
ultra	7 FPS	10 FPS
1440p
low	11 FPS	19 FPS
medium	5 FPS	11 FPS
high	4 FPS	7 FPS
ultra	3 FPS	5 FPS
4K
low	4 FPS	5 FPS
medium	2 FPS	3 FPS
high	1 FPS	3 FPS
ultra	1 FPS	2 FPS

Open GeForce GT 640 Open Radeon R9 M265X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce GT 640	Radeon R9 M265X
1080p
low	53 FPS	53 FPS
medium	42 FPS	42 FPS
high	35 FPS	35 FPS
ultra	26 FPS	26 FPS
1440p
low	39 FPS	39 FPS
medium	32 FPS	32 FPS
high	26 FPS	26 FPS
ultra	20 FPS	20 FPS
4K
low	26 FPS	26 FPS
medium	21 FPS	21 FPS
high	18 FPS	18 FPS
ultra	13 FPS	13 FPS

Open GeForce GT 640 Open Radeon R9 M265X

League of Legends

League of Legends

Valorant

Preset	GeForce GT 640	Radeon R9 M265X
1080p
low	53 FPS	53 FPS
medium	42 FPS	42 FPS
high	26 FPS	35 FPS
ultra	16 FPS	26 FPS
1440p
low	6 FPS	9 FPS
medium	4 FPS	7 FPS
high	3 FPS	6 FPS
ultra	2 FPS	5 FPS
4K
low	4 FPS	6 FPS
medium	2 FPS	4 FPS
high	2 FPS	4 FPS
ultra	1 FPS	3 FPS

Open GeForce GT 640 Open Radeon R9 M265X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GT 640 and Radeon R9 M265X

GeForce GT 640

The GeForce GT 640 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,169 points. Launch price was $99.

Radeon R9 M265X

The Radeon R9 M265X is manufactured by AMD. It was released in March 21 2014. It features the GCN 1.0 architecture. The core clock ranges from 575 MHz to 625 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,167 points.

⚡

Graphics Performance

The GeForce GT 640 scores 1,169 and the Radeon R9 M265X reaches 1,167 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the Radeon R9 M265X uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 640) vs 640 (Radeon R9 M265X). Raw compute: 0.6927 TFLOPS (GeForce GT 640) vs 0.8 TFLOPS (Radeon R9 M265X).

Feature	GeForce GT 640	Radeon R9 M265X
G3D Mark Score	1,169	1,167
Architecture	Kepler	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	384	640+67%
Compute (TFLOPS)	0.6927 TFLOPS	0.8 TFLOPS+15%
ROPs	16	16
TMUs	32	40+25%
L1 Cache	32 KB	160 KB+400%
L2 Cache	256 KB	256 KB

✨

Advanced Features (DLSS/FSR)

The GeForce GT 640 gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Radeon R9 M265X relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.

Feature	GeForce GT 640	Radeon R9 M265X
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 4 GB of GDDR5. Bus width: 128-bit vs 128-bit.

Feature	GeForce GT 640	Radeon R9 M265X
VRAM Capacity	4 GB	4 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	256 KB

🔌

Power & Dimensions

The GeForce GT 640 draws 65W versus the Radeon R9 M265X's 75W — a 14.3% difference. The GeForce GT 640 is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 350W (Radeon R9 M265X). Power connectors: None vs Mobile.

Feature	GeForce GT 640	Radeon R9 M265X
TDP	65W-13%	75W
Recommended PSU	300W-14%	350W
Power Connector	None	Mobile
Length	145mm	—
Height	111mm	—
Slots	1	—
Temp (Load)	60°C	—
Perf/Watt	18.0+15%	15.6

💰

Value Analysis

The GeForce GT 640 launched at $99 MSRP, while the Radeon R9 M265X launched at $200. The GeForce GT 640 costs 50.5% less ($101 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 11.8 (GeForce GT 640) vs 5.8 (Radeon R9 M265X) — the GeForce GT 640 offers 103.4% better value. The Radeon R9 M265X is the newer GPU (2014 vs 2012).