Radeon HD 7660D vs Radeon HD 8670D

AMD

Radeon HD 7660D

2012Core: 600 MHz
Similar parts
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VS
AMD

Radeon HD 8670D

2012Core: 1000 MHz
Similar parts
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Radeon HD 7660D vs Radeon HD 8670D Performance Spectrum

About G3D Mark

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 7660D vs Radeon HD 8670D 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 7660D vs Radeon HD 8670D: 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 7660D

2012

Why buy it

  • Draws 45W instead of 200W, a 155W reduction.

Trade-offs

  • Lower average FPS than Radeon HD 8670D across 50 tracked games in our benchmark data.
  • 2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 103.3% HIGHER MSRP
    $122 MSRPvs$60 MSRP
  • Lower G3D Mark per dollar, at 4.2 vs 8.6 G3D/$ ($122 MSRP vs $60 MSRP).

Radeon HD 8670D

2012

Why buy it

  • 77.2% more average FPS across 50 tracked games in our benchmark data.
  • Costs $62 less on MSRP ($60 MSRP vs $122 MSRP).
  • Delivers 105.3% more G3D Mark for each dollar spent, at 8.6 vs 4.2 G3D/$ ($60 MSRP vs $122 MSRP).

Trade-offs

  • 2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 344.4% higher power demand at 200W vs 45W.

Quick Answers

Which GPU is faster for gaming right now?
Radeon HD 8670D is the faster gaming card right now. In our data, it leads by 77.2% in average FPS across 50 tracked games in our benchmark data and by 1% in PassMark G3D (517 vs 512), so the answer here is pretty clean.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon HD 7660D is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.
Which GPU is the better buy today?
Radeon HD 8670D makes the most sense to buy today. It is $62 cheaper on MSRP at $60 vs $122, and it leads G3D-per-dollar by 105.3% (8.6 vs 4.2), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon HD 8670D is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 7660D has the stronger long-term case.

Radeon HD 7660D vs Radeon HD 8670D Technical Specifications

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

AMD

Radeon HD 7660D

The Radeon HD 7660D 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: 512 points.

AMD

Radeon HD 8670D

The Radeon HD 8670D is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 517 points. Launch price was $349.

Graphics Performance

The Radeon HD 7660D scores 512 and the Radeon HD 8670D reaches 517 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Radeon HD 7660D is built on TeraScale 2 while the Radeon HD 8670D uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 480 (Radeon HD 7660D) vs 1,280 (Radeon HD 8670D). Raw compute: 0.576 TFLOPS (Radeon HD 7660D) vs 2.56 TFLOPS (Radeon HD 8670D).

FeatureRadeon HD 7660DRadeon HD 8670D
G3D Mark Score
512
517
Architecture
TeraScale 2
GCN 1.0
Process Node
40 nm
28 nm
Shading Units
480
1280+167%
Compute (TFLOPS)
0.576 TFLOPS
2.56 TFLOPS+344%
ROPs
8
32+300%
TMUs
24
80+233%
L1 Cache
48 KB
320 KB+567%
L2 Cache
256 KB
512 KB+100%
Frame Generation
FSR upscaling
FSR upscaling

Advanced Features (DLSS/FSR)

FeatureRadeon HD 7660DRadeon HD 8670D
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)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 7660D and 128-bit on the Radeon HD 8670D. L2 Cache: 256 KB (Radeon HD 7660D) vs 512 KB (Radeon HD 8670D) — the Radeon HD 8670D has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon HD 7660DRadeon HD 8670D
VRAM Capacity
0.5 GB
0.5 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
256 KB
512 KB+100%
🖥️

Display & API Support

DirectX support: 11 (11_2) (Radeon HD 7660D) vs 11.2 (Radeon HD 8670D). Maximum simultaneous displays: 3 vs 0.

FeatureRadeon HD 7660DRadeon HD 8670D
DirectX
11 (11_2)
11.2+2%
Max Displays
3
0
🎬

Media & Encoding

Hardware encoder: VCE 1.0 (Radeon HD 7660D) vs VCE 1.0 (Radeon HD 8670D). Decoder: UVD 3 vs UVD 3.2.

FeatureRadeon HD 7660DRadeon HD 8670D
Encoder
VCE 1.0
VCE 1.0
Decoder
UVD 3
UVD 3.2
Codecs
H.264,VC-1,MPEG-2,MPEG-4
🔌

Power & Dimensions

The Radeon HD 7660D draws 45W versus the Radeon HD 8670D's 200W — a 126.5% difference. The Radeon HD 7660D is more power-efficient. Recommended PSU: 350W (Radeon HD 7660D) vs 350W (Radeon HD 8670D). Power connectors: 1x 6-pin vs 1x 6-pin.

FeatureRadeon HD 7660DRadeon HD 8670D
TDP
45W-78%
200W
Recommended PSU
350W
350W
Power Connector
1x 6-pin
1x 6-pin
Length
1mm
Slots
0
0
Temp (Load)
70°C
Perf/Watt
11.4+338%
2.6
💰

Value Analysis

At launch, the Radeon HD 7660D came in at $122, while the Radeon HD 8670D launched at $60. On MSRP, Radeon HD 8670D was 50.8% cheaper ($62 less). Performance per dollar on MSRP (G3D Mark / MSRP): 4.2 (Radeon HD 7660D) vs 8.6 (Radeon HD 8670D) — the Radeon HD 8670D offers 104.8% better value.

FeatureRadeon HD 7660DRadeon HD 8670D
MSRP
$122
$60-51%
Performance per Dollar
4.2
8.6+105%
Codename
Turks
Pitcairn
Release
January 5 2012
March 5 2012
Ranking
#870
#460

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