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.

Mobility Radeon HD 4670 vs Radeon HD 7640G 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.

Mobility Radeon HD 4670 vs Radeon HD 7640G: Pros, Cons & Final Verdict

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

Mobility Radeon HD 4670

2009

Why buy it

✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
✅Draws 30W instead of 45W, a 15W reduction.

Trade-offs

❌2009 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
34% HIGHER MSRP
$67 MSRPvs$50 MSRP
❌Lower G3D Mark per dollar, at 6.9 vs 9.1 G3D/$ ($67 MSRP vs $50 MSRP).

Radeon HD 7640G

2012

Why buy it

✅Costs $17 less on MSRP ($50 MSRP vs $67 MSRP).
✅Delivers 31.4% more G3D Mark for each dollar spent, at 9.1 vs 6.9 G3D/$ ($50 MSRP vs $67 MSRP).
✅More future proof: TeraScale 2 (2009−2015) on 40nm with a newer platform for upcoming games.

Trade-offs

❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌50% higher power demand at 45W vs 30W.

Quick Answers

Which GPU is faster for gaming right now?

Mobility Radeon HD 4670 is the faster gaming card right now based on the synthetic data we have. It leads by 2% in PassMark G3D (463 vs 454), which is the best performance signal available in this matchup.

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

Mobility Radeon HD 4670 is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon HD 7640G makes the most sense to buy today. It is $17 cheaper on MSRP at $50 vs $67, and it leads G3D-per-dollar by 31.4% (9.1 vs 6.9), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon HD 7640G is the easier value choice. If you care more about 1080p and some 1440p headroom, Mobility Radeon HD 4670 has the stronger long-term case.

Mobility Radeon HD 4670 vs Radeon HD 7640G Technical Specifications

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

Mobility Radeon HD 4670

The Mobility Radeon HD 4670 is manufactured by AMD. It was released in January 9 2009. It features the TeraScale architecture. The core clock speed is 550 MHz. It has 800 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 463 points.

Radeon HD 7640G

The Radeon HD 7640G is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 454 points.

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Graphics Performance

The Mobility Radeon HD 4670 scores 463 and the Radeon HD 7640G reaches 454 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 4670 is built on TeraScale while the Radeon HD 7640G uses TeraScale 2, both on 55 nm vs 40 nm. Shader units: 800 (Mobility Radeon HD 4670) vs 480 (Radeon HD 7640G). Raw compute: 0.88 TFLOPS (Mobility Radeon HD 4670) vs 0.576 TFLOPS (Radeon HD 7640G).

Feature	Mobility Radeon HD 4670	Radeon HD 7640G
G3D Mark Score	463+2%	454
Architecture	TeraScale	TeraScale 2
Process Node	55 nm	40 nm
Shading Units	800+67%	480
Compute (TFLOPS)	0.88 TFLOPS+53%	0.576 TFLOPS
ROPs	16+100%	8
TMUs	40+67%	24
L1 Cache	160 KB+233%	48 KB
L2 Cache	256 KB	256 KB
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 4670	Radeon HD 7640G
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

The Mobility Radeon HD 4670 has 1 GB of VRAM, while the Radeon HD 7640G carries 512 MB. Mobility Radeon HD 4670 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Mobility Radeon HD 4670 and 128-bit on the Radeon HD 7640G.

Feature	Mobility Radeon HD 4670	Radeon HD 7640G
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 10.1 (Mobility Radeon HD 4670) vs 11 (11_0) (Radeon HD 7640G). OpenGL: 3.3 vs 4.4. Maximum simultaneous displays: 2 vs 2.

Feature	Mobility Radeon HD 4670	Radeon HD 7640G
DirectX	10.1	11 (11_0)+9%
OpenGL	3.3	4.4+33%
Max Displays	2	2

🎬

Media & Encoding

Hardware encoder: None (Mobility Radeon HD 4670) vs VCE 1.0 (Radeon HD 7640G). Decoder: UVD 2.2 vs UVD 3.2. Supported codecs: MPEG-2,H.264,VC-1 (Mobility Radeon HD 4670) vs H.264,VC-1,MPEG-2,DivX (Radeon HD 7640G).

Feature	Mobility Radeon HD 4670	Radeon HD 7640G
Encoder	None	VCE 1.0
Decoder	UVD 2.2	UVD 3.2
Codecs	MPEG-2,H.264,VC-1	H.264,VC-1,MPEG-2,DivX

🔌

Power & Dimensions

The Mobility Radeon HD 4670 draws 30W versus the Radeon HD 7640G's 45W — a 40% difference. The Mobility Radeon HD 4670 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4670) vs 350W (Radeon HD 7640G). Power connectors: PCIe-powered vs 1x 6-pin. Typical load temperature: 70 vs 70°C.

Feature	Mobility Radeon HD 4670	Radeon HD 7640G
TDP	30W-33%	45W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Length	0mm	—
Height	0mm	—
Slots	0	0
Temp (Load)	70	70°C
Perf/Watt	15.4+52%	10.1

💰

Value Analysis

At launch, the Mobility Radeon HD 4670 came in at $67, while the Radeon HD 7640G launched at $50. On MSRP, Radeon HD 7640G was 25.4% cheaper ($17 less). Performance per dollar on MSRP (G3D Mark / MSRP): 6.9 (Mobility Radeon HD 4670) vs 9.1 (Radeon HD 7640G) — the Radeon HD 7640G offers 31.9% better value. The newer card here is Radeon HD 7640G (2012 vs 2009).

Feature	Mobility Radeon HD 4670	Radeon HD 7640G
MSRP	$67	$50-25%
Performance per Dollar	6.9	9.1+32%
Codename	M98	Turks
Release	January 9 2009	January 5 2012
Ranking	#927	#870

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