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.

Radeon HD 4870 X2 vs Radeon R7 512 Cores (Kaveri Desktop) 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.

Radeon HD 4870 X2 vs Radeon R7 512 Cores (Kaveri Desktop): Pros, Cons & Final Verdict

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

Radeon HD 4870 X2

2008

Why buy it

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

Trade-offs

❌Lower average FPS than Radeon R7 512 Cores (Kaveri Desktop) across 50 tracked games in our benchmark data.
❌2008 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
217.9% HIGHER MSRP
$550 MSRPvs$173 MSRP
❌Lower G3D Mark per dollar, at 2.4 vs 7.5 G3D/$ ($550 MSRP vs $173 MSRP).
❌853.3% higher power demand at 286W vs 30W.

Radeon R7 512 Cores (Kaveri Desktop)

2014

Why buy it

✅74.5% more average FPS across 50 tracked games in our benchmark data.
✅Costs $377 less on MSRP ($173 MSRP vs $550 MSRP).
✅Delivers 215.7% more G3D Mark for each dollar spent, at 7.5 vs 2.4 G3D/$ ($173 MSRP vs $550 MSRP).
✅Draws 30W instead of 286W, a 256W reduction.

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?

Radeon R7 512 Cores (Kaveri Desktop) is the faster gaming card right now. In our data, it leads by 74.5% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 4870 X2 instead at 1,309 vs 1,300, 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?

Radeon HD 4870 X2 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 512 Cores (Kaveri Desktop) makes the most sense to buy today. It is $377 cheaper on MSRP at $173 vs $550, and it leads G3D-per-dollar by 215.7% (7.5 vs 2.4), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon R7 512 Cores (Kaveri Desktop) is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 4870 X2 has the stronger long-term case.

Radeon HD 4870 X2 vs Radeon R7 512 Cores (Kaveri Desktop) Technical Specifications

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

Radeon HD 4870 X2

The Radeon HD 4870 X2 is manufactured by AMD. It was released in August 12 2008. It features the TeraScale architecture. The core clock speed is 700 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 286W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,309 points. Launch price was $550.

Radeon R7 512 Cores (Kaveri Desktop)

The Radeon R7 512 Cores (Kaveri Desktop) is manufactured by AMD. It was released in January 14 2014. It features the GCN architecture. The core clock speed is 720 MHz. It has 512 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,300 points.

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Graphics Performance

The Radeon HD 4870 X2 scores 1,309 and the Radeon R7 512 Cores (Kaveri Desktop) reaches 1,300 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Radeon HD 4870 X2 is built on TeraScale while the Radeon R7 512 Cores (Kaveri Desktop) uses GCN, both on 55 nm vs 28 nm. Shader units: 800 (Radeon HD 4870 X2) vs 512 (Radeon R7 512 Cores (Kaveri Desktop)).

Feature	Radeon HD 4870 X2	Radeon R7 512 Cores (Kaveri Desktop)
G3D Mark Score	1,309	1,300
Architecture	TeraScale	GCN
Process Node	55 nm	28 nm
Shading Units	800 ×2+56%	512
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 4870 X2	Radeon R7 512 Cores (Kaveri Desktop)
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

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Video Memory (VRAM)

The Radeon HD 4870 X2 has 1 GB of VRAM, while the Radeon R7 512 Cores (Kaveri Desktop) carries 512 MB. Radeon HD 4870 X2 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 Radeon HD 4870 X2 and 128-bit on the Radeon R7 512 Cores (Kaveri Desktop).

Feature	Radeon HD 4870 X2	Radeon R7 512 Cores (Kaveri Desktop)
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	64-bit	128-bit+100%

🖥️

Display & API Support

DirectX support: 10.1 (Radeon HD 4870 X2) vs 12 (Radeon R7 512 Cores (Kaveri Desktop)). OpenGL: 3.3 vs 4.5. Maximum simultaneous displays: 2 vs 3.

Feature	Radeon HD 4870 X2	Radeon R7 512 Cores (Kaveri Desktop)
DirectX	10.1	12+19%
OpenGL	3.3	4.5+36%
Max Displays	2	3+50%

🎬

Media & Encoding

Decoder: UVD 2 vs UVD 4.2. Supported codecs: H.264,VC-1,MPEG-4,DivX (Radeon HD 4870 X2) vs H.264,VC-1,MPEG-2 (Radeon R7 512 Cores (Kaveri Desktop)).

Feature	Radeon HD 4870 X2	Radeon R7 512 Cores (Kaveri Desktop)
Encoder	—	VCE 2.0
Decoder	UVD 2	UVD 4.2
Codecs	H.264,VC-1,MPEG-4,DivX	H.264,VC-1,MPEG-2

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Power & Dimensions

The Radeon HD 4870 X2 draws 286W versus the Radeon R7 512 Cores (Kaveri Desktop)'s 30W — a 162% difference. The Radeon R7 512 Cores (Kaveri Desktop) is more power-efficient. Recommended PSU: 650W (Radeon HD 4870 X2) vs 350W (Radeon R7 512 Cores (Kaveri Desktop)). Power connectors: 1x 6-pin + 1x 8-pin vs None. Typical load temperature: 90°C vs 80°C.

Feature	Radeon HD 4870 X2	Radeon R7 512 Cores (Kaveri Desktop)
TDP	286W	30W-90%
Recommended PSU	650W	350W-46%
Power Connector	1x 6-pin + 1x 8-pin	None
Length	267mm	—
Slots	2	—
Temp (Load)	90°C	80°C-11%
Perf/Watt	4.6	43.3+841%

💰

Value Analysis

At launch, the Radeon HD 4870 X2 came in at $550, while the Radeon R7 512 Cores (Kaveri Desktop) launched at $173. On MSRP, Radeon R7 512 Cores (Kaveri Desktop) was 68.5% cheaper ($377 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.4 (Radeon HD 4870 X2) vs 7.5 (Radeon R7 512 Cores (Kaveri Desktop)) — the Radeon R7 512 Cores (Kaveri Desktop) offers 212.5% better value. The newer card here is Radeon R7 512 Cores (Kaveri Desktop) (2014 vs 2008).

Feature	Radeon HD 4870 X2	Radeon R7 512 Cores (Kaveri Desktop)
MSRP	$550	$173-69%
Performance per Dollar	2.4	7.5+213%
Codename	R700	Kaveri Spectre
Release	August 12 2008	January 14 2014
Ranking	#796	#830

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