Radeon HD 8870M vs Radeon R9 M275X

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The Radeon HD 8870M is positioned at rank 241 and the Radeon R9 M275X is on rank 460, so the Radeon HD 8870M offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Radeon HD 8870M

#54

Radeon RX 6800S

MSRP: $800|Avg: $800

97%

#231

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

530%

#233

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

481%

#234

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

479%

#238

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

436%

#239

Radeon RX 6300

MSRP: $60|Avg: $40

433%

#241

Radeon HD 8870M

MSRP: N/A|Avg: N/A

100%

#242

GeForce GT 645

MSRP: $99|Avg: $15

99%

#252

GeForce 720A

MSRP: $30|Avg: $30

94%

#253

GeForce GT 520M

MSRP: $60|Avg: N/A

92%

#254

Radeon Vega 8 Ryzen 3 3200GE

MSRP: $99|Avg: $60

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon R9 M275X

#450

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1996%

#452

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1809%

#453

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1804%

#457

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

1641%

#458

Radeon RX 6300

MSRP: $60|Avg: $40

1630%

#460

Radeon R9 M275X

MSRP: $300|Avg: $300

100%

#461

GeForce 8400 GS

MSRP: $30|Avg: $30

100%

#462

Mobility Radeon HD 550v

MSRP: $49|Avg: $15

100%

#463

Radeon HD 8280G

MSRP: $50|Avg: $50

99%

#464

Radeon R7 M340

MSRP: $120|Avg: $35

99%

#465

Qualcomm Adreno 690 GPU

MSRP: $200|Avg: $100

99%

#466

Radeon HD 8650G + HD 8790M Dual

MSRP: $150|Avg: $45

98%

#467

Radeon HD 8550G + 8570M Dual

MSRP: $100|Avg: $100

98%

#468

Radeon R5 M230

MSRP: $80|Avg: $25

98%

#469

Radeon HD 8650G + 8750M Dual

MSRP: $150|Avg: $30

97%

#470

Radeon R9 M275X / M375

MSRP: $300|Avg: $300

97%

#471

Radeon R9 M370X

MSRP: $300|Avg: $100

96%

#472

Radeon HD 8280

MSRP: $50|Avg: $50

96%

#473

GeForce GTX 850A

MSRP: $150|Avg: $50

94%

#474

Radeon HD 8650G + HD 8600/8700M Dual

MSRP: $150|Avg: $150

94%

#475

Mobility Radeon HD 5730

MSRP: $100|Avg: $20

93%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon HD 8870M is the superior choice for raw performance. It leads with a 0.4% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R9 M275X.

Insight	Radeon HD 8870M	Radeon R9 M275X
Performance	✅Leading raw performance (+0.4%)	❌Lower raw frame rates (-0.4%)
Longevity	🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+300%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the Radeon HD 8870M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Radeon HD 8870M Benchmark Check

Radeon R9 M275X Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon HD 8870M and Radeon R9 M275X

Radeon HD 8870M

The Radeon HD 8870M is manufactured by AMD. It was released in April 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 725 MHz to 775 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,638 points.

Radeon R9 M275X

The Radeon R9 M275X 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: 1,631 points.

⚡

Graphics Performance

The Radeon HD 8870M scores 1,638 and the Radeon R9 M275X reaches 1,631 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Radeon HD 8870M is built on GCN 1.0 while the Radeon R9 M275X uses GCN 1.0, both on a 28 nm process. Shader units: 640 (Radeon HD 8870M) vs 640 (Radeon R9 M275X). Raw compute: 0.992 TFLOPS (Radeon HD 8870M) vs 1.184 TFLOPS (Radeon R9 M275X). Boost clocks: 775 MHz vs 925 MHz.

Feature	Radeon HD 8870M	Radeon R9 M275X
G3D Mark Score	1,638	1,631
Architecture	GCN 1.0	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	640	640
Compute (TFLOPS)	0.992 TFLOPS	1.184 TFLOPS+19%
Boost Clock	775 MHz	925 MHz+19%
ROPs	16	16
TMUs	40	40
L1 Cache	160 KB	160 KB
L2 Cache	256 KB	256 KB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 8870M	Radeon R9 M275X
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

The Radeon HD 8870M comes with 2 GB of VRAM, while the Radeon R9 M275X has 512 MB. The Radeon HD 8870M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.

Feature	Radeon HD 8870M	Radeon R9 M275X
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	Shared	GDDR5
Memory Bandwidth	System	Unknown
Bus Width	System	128-bit
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 11.1 (Radeon HD 8870M) vs 12_0 (Radeon R9 M275X). Maximum simultaneous displays: 4 vs 0.

Feature	Radeon HD 8870M	Radeon R9 M275X
DirectX	11.1	12_0+8%
Max Displays	4	0

🎬

Media & Encoding

Hardware encoder: VCE 1.0 (Radeon HD 8870M) vs VCE 2.0 (Radeon R9 M275X). Decoder: UVD 3.0 vs UVD 4.2.

Feature	Radeon HD 8870M	Radeon R9 M275X
Encoder	VCE 1.0	VCE 2.0
Decoder	UVD 3.0	UVD 4.2
Codecs	H.264,MPEG-2,VC-1,MVC	—

🔌

Power & Dimensions

The Radeon HD 8870M draws 50W versus the Radeon R9 M275X's 75W — a 40% difference. The Radeon HD 8870M is more power-efficient. Recommended PSU: 350W (Radeon HD 8870M) vs 350W (Radeon R9 M275X). Power connectors: 1x 6-pin vs Mobile.