GeForce GT 640 vs Radeon R9 M265X

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.

GeForce GT 640 vs Radeon R9 M265X FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce GT 640 vs Radeon R9 M265X: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

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.
❌2012 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

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

❌2014 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
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

Which GPU is faster for gaming right now?

Radeon R9 M265X is the faster gaming card right now. In our data, it leads by 23.4% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 640 instead at 1,169 vs 1,167, so for this question the real-game FPS result matters more than the synthetic split.

Which GPU is the safer long-term pick for 2026 and beyond?

GeForce GT 640 is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

GeForce GT 640 makes the most sense to buy today. It is $101 cheaper on MSRP at $99 vs $200, and it leads G3D-per-dollar by 102.4% (11.8 vs 5.8), which is enough to swing the recommendation its way. Radeon R9 M265X still makes more sense if max raw gaming performance matters more than value.

GeForce GT 640 vs Radeon R9 M265X Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R9 M265X leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

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 ship with 4 GB of GDDR5. Memory bus width is 128-bit on the GeForce GT 640 and 128-bit on the Radeon R9 M265X.

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

At launch, the GeForce GT 640 came in at $99, while the Radeon R9 M265X launched at $200. On MSRP, GeForce GT 640 was 50.5% cheaper ($101 less). 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 newer card here is Radeon R9 M265X (2014 vs 2012).

Feature	GeForce GT 640	Radeon R9 M265X
MSRP	$99-51%	$200
Performance per Dollar	11.8+103%	5.8
Codename	GK107	Venus
Release	June 5 2012	March 21 2014
Ranking	#837	#839

Search GeForce GT 640 on Amazon

Search Radeon R9 M265X on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.