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

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

Trade-offs

❌Very weak future-proofing: 2012-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌
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

✅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.
❌Very weak future-proofing: 2013-era hardware with 1 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.

GeForce GT 640

2012

Radeon HD 7730

2013

Why buy it

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

Why buy it

✅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

❌Very weak future-proofing: 2012-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌
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.

Trade-offs

❌Less VRAM, with 1 GB vs 4 GB for high-resolution textures and newer games.
❌Very weak future-proofing: 2013-era hardware with 1 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.

Quick Answers

So, is GeForce GT 640 better than Radeon HD 7730?

Yes, but this is not really about a huge raw performance gap. The broader synthetic picture is also very close at 1,169 vs 1,163 in G3D Mark. The bigger reason to prefer GeForce GT 640 is the overall package: you are getting no meaningful modern upscaling stack.

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 more VRAM at 4 GB instead of 1 GB and the stronger feature stack with no meaningful modern upscaling stack instead of FSR upscaling. That extra memory headroom makes it the safer pick for newer games, heavier textures, and higher settings over time.

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

GeForce GT 640 is the smarter buy by a wide margin. GeForce GT 640 is about 32.0% more expensive on MSRP at $99 MSRP versus $75 MSRP, and you are getting 0.5% higher G3D Mark. Radeon HD 7730 really only makes sense now as a very cheap stopgap or a used-market placeholder.

When does Radeon HD 7730 make more sense than GeForce GT 640?

Yes. Radeon HD 7730 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 newer architecture, lower power draw (47W vs 65W), and staying closer to $75 MSRP more than squeezing out the extra headroom of GeForce GT 640. The trade-off is that GeForce GT 640 currently gives you 0.5% higher G3D Mark. Radeon HD 7730 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 HD 7730 Benchmark Check

Path of Exile 2

Preset	GeForce GT 640	Radeon HD 7730
1080p
low	16 FPS	13 FPS
medium	11 FPS	8 FPS
high	7 FPS	5 FPS
ultra	4 FPS	3 FPS
1440p
low	11 FPS	7 FPS
medium	6 FPS	4 FPS
high	3 FPS	2 FPS
ultra	1 FPS	1 FPS
4K
low	4 FPS	3 FPS
medium	3 FPS	2 FPS
high	1 FPS	1 FPS
ultra	1 FPS	1 FPS

Open GeForce GT 640 Open Radeon HD 7730

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce GT 640	Radeon HD 7730
1080p
low	36 FPS	37 FPS
medium	16 FPS	19 FPS
high	11 FPS	14 FPS
ultra	8 FPS	9 FPS
1440p
low	12 FPS	11 FPS
medium	5 FPS	6 FPS
high	4 FPS	4 FPS
ultra	3 FPS	3 FPS
4K
low	4 FPS	3 FPS
medium	2 FPS	2 FPS
high	2 FPS	2 FPS
ultra	1 FPS	1 FPS

Open GeForce GT 640 Open Radeon HD 7730

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce GT 640	Radeon HD 7730
1080p
low	53 FPS	52 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	31 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	17 FPS
ultra	13 FPS	13 FPS

Open GeForce GT 640 Open Radeon HD 7730

League of Legends

League of Legends

Valorant

Preset	GeForce GT 640	Radeon HD 7730
1080p
low	53 FPS	52 FPS
medium	42 FPS	41 FPS
high	26 FPS	30 FPS
ultra	16 FPS	24 FPS
1440p
low	6 FPS	7 FPS
medium	4 FPS	6 FPS
high	3 FPS	5 FPS
ultra	2 FPS	4 FPS
4K
low	4 FPS	5 FPS
medium	2 FPS	4 FPS
high	2 FPS	3 FPS
ultra	1 FPS	2 FPS

Open GeForce GT 640 Open Radeon HD 7730

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GT 640 and Radeon HD 7730

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.

⚡

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

✨

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 HD 7730 relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.

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

💾

Video Memory (VRAM)

The GeForce GT 640 comes with 4 GB of VRAM, while the Radeon HD 7730 has 1 GB. The GeForce GT 640 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.

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

🔌

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%

💰

Value Analysis

The GeForce GT 640 launched at $99 MSRP, while the Radeon HD 7730 launched at $75. The Radeon HD 7730 costs 24.2% less ($24 savings) on MSRP. 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 Radeon HD 7730 is the newer GPU (2013 vs 2012).