GeForce GT 640 vs Radeon HD 7730

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 HD 7730 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 HD 7730: 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

✅300% more VRAM for high-resolution textures and newer games (4 GB vs 1 GB).

Trade-offs

❌Lower average FPS than Radeon HD 7730 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.
❌
32% HIGHER MSRP
$99 MSRPvs$75 MSRP
❌Lower G3D Mark per dollar, at 11.8 vs 15.5 G3D/$ ($99 MSRP vs $75 MSRP).
❌38.3% higher power demand at 65W vs 47W.

Radeon HD 7730

2013

Why buy it

✅5.2% more average FPS across 50 tracked games in our benchmark data.
✅Costs $24 less on MSRP ($75 MSRP vs $99 MSRP).
✅Delivers 31.3% more G3D Mark for each dollar spent, at 15.5 vs 11.8 G3D/$ ($75 MSRP vs $99 MSRP).
✅Draws 47W instead of 65W, a 18W reduction.

Trade-offs

❌Less VRAM, with 1 GB vs 4 GB for high-resolution textures and newer games.
❌2013 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7730 is the faster gaming card right now. In our data, it leads by 5.2% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 640 instead at 1,169 vs 1,163, 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. The case is simple: 4 GB vs 1 GB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon HD 7730 makes the most sense to buy today. It is $24 cheaper on MSRP at $75 vs $99, and it leads G3D-per-dollar by 31.3% (15.5 vs 11.8), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon HD 7730 is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GT 640 has the stronger long-term case.

GeForce GT 640 vs Radeon HD 7730 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 HD 7730

The Radeon HD 7730 is manufactured by AMD. It was released in May 1 2013. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 384 shading units. The thermal design power (TDP) is 47W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,163 points. Launch price was $59.

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Graphics Performance

The GeForce GT 640 scores 1,169 and the Radeon HD 7730 reaches 1,163 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the Radeon HD 7730 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 640) vs 384 (Radeon HD 7730). Raw compute: 0.6927 TFLOPS (GeForce GT 640) vs 0.6144 TFLOPS (Radeon HD 7730).

Feature	GeForce GT 640	Radeon HD 7730
G3D Mark Score	1,169	1,163
Architecture	Kepler	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.6927 TFLOPS+13%	0.6144 TFLOPS
ROPs	16+100%	8
TMUs	32+33%	24
L1 Cache	32 KB	96 KB+200%
L2 Cache	256 KB	256 KB

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Advanced Features (DLSS/FSR)

The GeForce GT 640 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 7730 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 640	Radeon HD 7730
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

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Video Memory (VRAM)

The GeForce GT 640 has 4 GB of VRAM, while the Radeon HD 7730 carries 1 GB. GeForce GT 640 gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GT 640 and 128-bit on the Radeon HD 7730.

Feature	GeForce GT 640	Radeon HD 7730
VRAM Capacity	4 GB+300%	1 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	256 KB

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Power & Dimensions

The GeForce GT 640 draws 65W versus the Radeon HD 7730's 47W — a 32.1% difference. The Radeon HD 7730 is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 300W (Radeon HD 7730). Power connectors: None vs None.

Feature	GeForce GT 640	Radeon HD 7730
TDP	65W	47W-28%
Recommended PSU	300W	300W
Power Connector	None	None
Length	145mm	—
Height	111mm	—
Slots	1	—
Temp (Load)	60°C	—
Perf/Watt	18.0	24.7+37%

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Value Analysis

At launch, the GeForce GT 640 came in at $99, while the Radeon HD 7730 launched at $75. On MSRP, Radeon HD 7730 was 24.2% cheaper ($24 less). Performance per dollar on MSRP (G3D Mark / MSRP): 11.8 (GeForce GT 640) vs 15.5 (Radeon HD 7730) — the Radeon HD 7730 offers 31.4% better value. The newer card here is Radeon HD 7730 (2013 vs 2012).

Feature	GeForce GT 640	Radeon HD 7730
MSRP	$99	$75-24%
Performance per Dollar	11.8	15.5+31%
Codename	GK107	Cape Verde
Release	June 5 2012	May 1 2013
Ranking	#837	#841

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