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 4850 X2 vs Radeon R9 M275 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 4850 X2 vs Radeon R9 M275: 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 4850 X2

2008

Why buy it

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

Trade-offs

❌2008 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
33% HIGHER MSRP
$399 MSRPvs$300 MSRP
❌Lower G3D Mark per dollar, at 2.8 vs 3.7 G3D/$ ($399 MSRP vs $300 MSRP).
❌233.3% higher power demand at 250W vs 75W.

Radeon R9 M275

2014

Why buy it

✅Costs $99 less on MSRP ($300 MSRP vs $399 MSRP).
✅Delivers 31% more G3D Mark for each dollar spent, at 3.7 vs 2.8 G3D/$ ($300 MSRP vs $399 MSRP).
✅Draws 75W instead of 250W, a 175W 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 HD 4850 X2 is the faster gaming card right now based on the synthetic data we have. It leads by 1.5% in PassMark G3D (1,132 vs 1,115), which is the best performance signal available in this matchup.

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

Radeon HD 4850 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 R9 M275 makes the most sense to buy today. It is $99 cheaper on MSRP at $300 vs $399, and it leads G3D-per-dollar by 31% (3.7 vs 2.8), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon R9 M275 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 4850 X2 has the stronger long-term case.

Radeon HD 4850 X2 vs Radeon R9 M275 Technical Specifications

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

Radeon HD 4850 X2

The Radeon HD 4850 X2 is manufactured by AMD. It was released in November 7 2008. It features the TeraScale architecture. The core clock speed is 625 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 250W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,132 points. Launch price was $420.

Radeon R9 M275

The Radeon R9 M275 is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,115 points. Launch price was $799.99.

⚡

Graphics Performance

The Radeon HD 4850 X2 scores 1,132 and the Radeon R9 M275 reaches 1,115 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon HD 4850 X2 is built on TeraScale while the Radeon R9 M275 uses GCN 1.0, both on 55 nm vs 28 nm. Shader units: 800 (Radeon HD 4850 X2) vs 640 (Radeon R9 M275). Raw compute: 1 TFLOPS ×2 (Radeon HD 4850 X2) vs 1.184 TFLOPS (Radeon R9 M275).

Feature	Radeon HD 4850 X2	Radeon R9 M275
G3D Mark Score	1,132+2%	1,115
Architecture	TeraScale	GCN 1.0
Process Node	55 nm	28 nm
Shading Units	800 ×2+25%	640
Compute (TFLOPS)	1 TFLOPS ×2	1.184 TFLOPS+18%
ROPs	16 ×2	16
TMUs	40 ×2	40
L1 Cache	160 KB	160 KB
L2 Cache	256 KB	256 KB
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 4850 X2	Radeon R9 M275
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 Radeon HD 4850 X2 has 1 GB of VRAM, while the Radeon R9 M275 carries 512 MB. Radeon HD 4850 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 4850 X2 and 128-bit on the Radeon R9 M275.

Feature	Radeon HD 4850 X2	Radeon R9 M275
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	64 GB/s
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 10.1 (Radeon HD 4850 X2) vs 12 (FL11_1) (Radeon R9 M275). Vulkan: N/A vs 1.2. OpenGL: 3.3 vs 4.1. Maximum simultaneous displays: 4 vs 6.

Feature	Radeon HD 4850 X2	Radeon R9 M275
DirectX	10.1	12 (FL11_1)+19%
Vulkan	N/A	1.2
OpenGL	3.3	4.1+24%
Max Displays	4	6+50%

🎬

Media & Encoding

Hardware encoder: None (Radeon HD 4850 X2) vs UVD3 (Radeon R9 M275). Decoder: UVD 2.2 vs VCE. Supported codecs: MPEG-2,VC-1,H.264 (Radeon HD 4850 X2) vs H.264,MPEG-2,VC-1,Flash (Radeon R9 M275).

Feature	Radeon HD 4850 X2	Radeon R9 M275
Encoder	None	UVD3
Decoder	UVD 2.2	VCE
Codecs	MPEG-2,VC-1,H.264	H.264,MPEG-2,VC-1,Flash

🔌

Power & Dimensions

The Radeon HD 4850 X2 draws 250W versus the Radeon R9 M275's 75W — a 107.7% difference. The Radeon R9 M275 is more power-efficient. Recommended PSU: 500W (Radeon HD 4850 X2) vs 350W (Radeon R9 M275). Power connectors: 1x 6-pin + 1x 8-pin vs Mobile. Card length: 267mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 95 vs 80°C.

Feature	Radeon HD 4850 X2	Radeon R9 M275
TDP	250W	75W-70%
Recommended PSU	500W	350W-30%
Power Connector	1x 6-pin + 1x 8-pin	Mobile
Length	267mm	0mm
Height	111mm	0mm
Slots	2	0-100%
Temp (Load)	95	80°C-16%
Perf/Watt	4.5	14.9+231%

💰

Value Analysis

At launch, the Radeon HD 4850 X2 came in at $399, while the Radeon R9 M275 launched at $300. On MSRP, Radeon R9 M275 was 24.8% cheaper ($99 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.8 (Radeon HD 4850 X2) vs 3.7 (Radeon R9 M275) — the Radeon R9 M275 offers 32.1% better value. The newer card here is Radeon R9 M275 (2014 vs 2008).

Feature	Radeon HD 4850 X2	Radeon R9 M275
MSRP	$399	$300-25%
Performance per Dollar	2.8	3.7+32%
Codename	R700	Venus
Release	November 7 2008	January 28 2014
Ranking	#848	#851

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