GeForce GT 640 Rev. 2 vs Radeon HD 7750M

CPU

GPU

GeForce GT 640 Rev. 2

2013Core: 1046 MHz

Similar parts

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Radeon HD 7750M

2012Core: 575 MHz

Similar parts

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GeForce GT 640 Rev. 2 vs Radeon HD 7750M Performance Spectrum

GeForce GT 640 Rev. 2

0.5 GB 49

1,168

0.0%

GeForce GTX 1050 Ti (móvel)

GeForce GTX 1070 (móvel)

GeForce RTX 2080 (Mobile)

GeForce RTX 4060

Radeon HD 7750M

2 GB 28

1,191

+2.0%

Radeon HD 2900 XT

Radeon R7 A8-7680

Radeon R7 PRO A10-9700E

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.

GeForce GT 640 Rev. 2 vs Radeon HD 7750M 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 Rev. 2 vs Radeon HD 7750M: 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 Rev. 2

2013

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 11.8 vs 0 G3D/$ ($99 MSRP vs Unknown MSRP).

Trade-offs

❌Lower average FPS than Radeon HD 7750M across 50 tracked games in our benchmark data.
❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌75% higher power demand at 49W vs 28W.

Radeon HD 7750M

2012

Why buy it

✅13.5% more average FPS across 50 tracked games in our benchmark data.
✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
✅Draws 28W instead of 49W, a 21W reduction.

Trade-offs

❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 11.8 G3D/$ (Unknown MSRP vs $99 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7750M is the faster gaming card right now. In our data, it leads by 13.5% in average FPS across 50 tracked games in our benchmark data and by 2% in PassMark G3D (1,191 vs 1,168), so the answer here is pretty clean.

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

GeForce GT 640 Rev. 2 is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2013 generation instead of 2012. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

GeForce GT 640 Rev. 2 makes the most sense today based on the pricing and value data we have for this matchup. Radeon HD 7750M still makes more sense if max raw gaming performance matters more than value.

GeForce GT 640 Rev. 2 vs Radeon HD 7750M Technical Specifications

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

GeForce GT 640 Rev. 2

The GeForce GT 640 Rev. 2 is manufactured by NVIDIA. It was released in May 29 2013. It features the Kepler 2.0 architecture. The core clock speed is 1046 MHz. It has 384 shading units. The thermal design power (TDP) is 49W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,168 points. Launch price was $89.

Radeon HD 7750M

The Radeon HD 7750M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 575 MHz. It has 512 shading units. The thermal design power (TDP) is 28W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,191 points.

⚡

Graphics Performance

The GeForce GT 640 Rev. 2 scores 1,168 and the Radeon HD 7750M reaches 1,191 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The GeForce GT 640 Rev. 2 is built on Kepler 2.0 while the Radeon HD 7750M uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 640 Rev. 2) vs 512 (Radeon HD 7750M). Raw compute: 0.8033 TFLOPS (GeForce GT 640 Rev. 2) vs 0.5888 TFLOPS (Radeon HD 7750M).

Feature	GeForce GT 640 Rev. 2	Radeon HD 7750M
G3D Mark Score	1,168	1,191+2%
Architecture	Kepler 2.0	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	384	512+33%
Compute (TFLOPS)	0.8033 TFLOPS+36%	0.5888 TFLOPS
ROPs	8	16+100%
TMUs	32	32
L1 Cache	32 KB	128 KB+300%
L2 Cache	128 KB	256 KB+100%

✨

Advanced Features (DLSS/FSR)

The GeForce GT 640 Rev. 2 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 7750M leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 640 Rev. 2	Radeon HD 7750M
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 Rev. 2 has 512 MB of VRAM, while the Radeon HD 7750M carries 2 GB. Radeon HD 7750M gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the GeForce GT 640 Rev. 2 and System on the Radeon HD 7750M. L2 Cache: 128 KB (GeForce GT 640 Rev. 2) vs 256 KB (Radeon HD 7750M) — the Radeon HD 7750M has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 640 Rev. 2	Radeon HD 7750M
VRAM Capacity	0.5 GB	2 GB+300%
Memory Type	GDDR5	Shared
Memory Bandwidth	Unknown	System
Bus Width	64-bit	System
L2 Cache	128 KB	256 KB+100%

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 640 Rev. 2) vs 12 (Radeon HD 7750M). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 6.

Feature	GeForce GT 640 Rev. 2	Radeon HD 7750M
DirectX	12 (11_0)	12
Vulkan	1.2	1.2
OpenGL	4.6	4.6
Max Displays	3	6+100%

🎬

Media & Encoding

Hardware encoder: NVENC (Kepler) (GeForce GT 640 Rev. 2) vs VCE 1.0 (Radeon HD 7750M). Decoder: PureVideo HD 5 vs UVD3. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 640 Rev. 2) vs H.264,VC-1,MPEG-2,MVC (Radeon HD 7750M).

Feature	GeForce GT 640 Rev. 2	Radeon HD 7750M
Encoder	NVENC (Kepler)	VCE 1.0
Decoder	PureVideo HD 5	UVD3
Codecs	H.264,MPEG-2,VC-1	H.264,VC-1,MPEG-2,MVC

🔌

Power & Dimensions

The GeForce GT 640 Rev. 2 draws 49W versus the Radeon HD 7750M's 28W — a 54.5% difference. The Radeon HD 7750M is more power-efficient. Recommended PSU: 300W (GeForce GT 640 Rev. 2) vs 350W (Radeon HD 7750M). Power connectors: None vs 1x 6-pin. Typical load temperature: 65 vs 75°C.

Feature	GeForce GT 640 Rev. 2	Radeon HD 7750M
TDP	49W	28W-43%
Recommended PSU	300W-14%	350W
Power Connector	None	1x 6-pin
Length	145mm	—
Height	111mm	—
Slots	1	—
Temp (Load)	65-13%	75°C
Perf/Watt	23.8	42.5+79%

💰

Value Analysis

The newer card here is GeForce GT 640 Rev. 2 (2013 vs 2012).

Feature	GeForce GT 640 Rev. 2	Radeon HD 7750M
MSRP	$99	—
Codename	GK208	Chelsea
Release	May 29 2013	April 24 2012
Ranking	#786	#827

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