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 4870 vs Radeon R7 A8-8650 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 4870 vs Radeon R7 A8-8650: 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 4870

2009

Why buy it

✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).

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.
❌
510.2% HIGHER MSRP
$299 MSRPvs$49 MSRP
❌Lower G3D Mark per dollar, at 2.4 vs 14.7 G3D/$ ($299 MSRP vs $49 MSRP).

Radeon R7 A8-8650

2014

Why buy it

✅Costs $250 less on MSRP ($49 MSRP vs $299 MSRP).
✅Delivers 509.4% more G3D Mark for each dollar spent, at 14.7 vs 2.4 G3D/$ ($49 MSRP vs $299 MSRP).
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
❌2014 hardware with 512 MB 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?

Mobility Radeon HD 4870 is the faster gaming card right now based on the synthetic data we have. It leads by 0.1% in PassMark G3D (720 vs 719), 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 4870 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 R7 A8-8650 makes the most sense to buy today. It is $250 cheaper on MSRP at $49 vs $299, and it leads G3D-per-dollar by 509.4% (14.7 vs 2.4), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon R7 A8-8650 is the easier value choice. If you care more about 1080p and some 1440p headroom, Mobility Radeon HD 4870 has the stronger long-term case.

Mobility Radeon HD 4870 vs Radeon R7 A8-8650 Technical Specifications

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

Mobility Radeon HD 4870

The Mobility Radeon HD 4870 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: 720 points.

Radeon R7 A8-8650

The Radeon R7 A8-8650 is manufactured by AMD. It was released in January 9 2014. It features the GCN 1.0 architecture. The core clock ranges from 725 MHz to 825 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 719 points.

⚡

Graphics Performance

The Mobility Radeon HD 4870 scores 720 and the Radeon R7 A8-8650 reaches 719 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 4870 is built on TeraScale while the Radeon R7 A8-8650 uses GCN 1.0, both on 55 nm vs 28 nm. Shader units: 800 (Mobility Radeon HD 4870) vs 384 (Radeon R7 A8-8650). Raw compute: 0.88 TFLOPS (Mobility Radeon HD 4870) vs 0.6336 TFLOPS (Radeon R7 A8-8650).

Feature	Mobility Radeon HD 4870	Radeon R7 A8-8650
G3D Mark Score	720	719
Architecture	TeraScale	GCN 1.0
Process Node	55 nm	28 nm
Shading Units	800+108%	384
Compute (TFLOPS)	0.88 TFLOPS+39%	0.6336 TFLOPS
ROPs	16+100%	8
TMUs	40+67%	24
L1 Cache	160 KB+67%	96 KB
L2 Cache	256 KB	256 KB
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 4870	Radeon R7 A8-8650
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 4870 has 1 GB of VRAM, while the Radeon R7 A8-8650 carries 512 MB. Mobility Radeon HD 4870 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 4870 and 128-bit on the Radeon R7 A8-8650.

Feature	Mobility Radeon HD 4870	Radeon R7 A8-8650
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 4870) vs 12 (12_0) (Radeon R7 A8-8650). OpenGL: 3.3 vs 4.6. Maximum simultaneous displays: 2 vs 3.

Feature	Mobility Radeon HD 4870	Radeon R7 A8-8650
DirectX	10.1	12 (12_0)+19%
OpenGL	3.3	4.6+39%
Max Displays	2	3+50%

🎬

Media & Encoding

Decoder: UVD 2.0 vs UVD 6.0. Supported codecs: H.264,VC-1,MPEG-2 (Mobility Radeon HD 4870) vs H.264,VC-1,MPEG-2,MPEG-4 (Radeon R7 A8-8650).

Feature	Mobility Radeon HD 4870	Radeon R7 A8-8650
Encoder	—	VCE 2.0
Decoder	UVD 2.0	UVD 6.0
Codecs	H.264,VC-1,MPEG-2	H.264,VC-1,MPEG-2,MPEG-4

🔌

Power & Dimensions

The Mobility Radeon HD 4870 draws 30W versus the Radeon R7 A8-8650's 30W — a 0% difference. The Radeon R7 A8-8650 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4870) vs 350W (Radeon R7 A8-8650). Power connectors: PCIe-powered vs PCIe-powered.

Feature	Mobility Radeon HD 4870	Radeon R7 A8-8650
TDP	30W	30W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	—	0mm
Height	—	0mm
Slots	0	0
Temp (Load)	—	72
Perf/Watt	24.0	24.0

💰

Value Analysis

At launch, the Mobility Radeon HD 4870 came in at $299, while the Radeon R7 A8-8650 launched at $49. On MSRP, Radeon R7 A8-8650 was 83.6% cheaper ($250 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.4 (Mobility Radeon HD 4870) vs 14.7 (Radeon R7 A8-8650) — the Radeon R7 A8-8650 offers 512.5% better value. The newer card here is Radeon R7 A8-8650 (2014 vs 2009).

Feature	Mobility Radeon HD 4870	Radeon R7 A8-8650
MSRP	$299	$49-84%
Performance per Dollar	2.4	14.7+513%
Codename	M98	Opal
Release	January 9 2009	January 9 2014
Ranking	#927	#890

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