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GeForce 8400 GS vs Radeon HD 3670

CPUCPUGPUGPU
NVIDIA

GeForce 8400 GS

2014Core: 1029 MHzBoost: 1124 MHz
Buy on Amazon
VS
AMD

Radeon HD 3670

2010Boost: 880 MHz
Buy on Amazon

GeForce 8400 GS vs Radeon HD 3670 Performance Spectrum

GeForce 8400 GS
0.5 GB 33
163
0.0%
brand logoGeForce 8600M GS
brand logoGeForce Go 6800
brand logoGeForce 9300
brand logoGeForce GT 130M
brand logoGeForce GTX 1630
brand logoGeForce GTX 970
brand logoGeForce RTX 4050 Mobile
brand logoGeForce RTX 3080 Ti Laptop GPU
Radeon HD 3670
0.5 GB 250
169
+3.7%
brand logoRadeon HD 6250
brand logoRadeon HD 7290
brand logoMOBILITY RADEON X1800
brand logoMobility Radeon HD 4570
brand logoRadeon R9 270X
brand logoRadeon RX 6500 XT
brand logoRadeon RX 5700
brand logoRadeon RX 6700 XT

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.

GeForce 8400 GS vs Radeon HD 3670 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.

Path of Exile 2

Path of Exile 2

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Counter-Strike 2

Counter-Strike 2

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
League of Legends

League of Legends

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Valorant

Valorant

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Among Us

Among Us

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Apex Legends

Apex Legends

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
ARC Raiders

ARC Raiders

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra3 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
GeForce 8400 GS
low7 FPS
medium6 FPS
high5 FPS
ultra4 FPS
1080P
Radeon HD 3670
low8 FPS
medium6 FPS
high5 FPS
ultra4 FPS
Check FPS with Custom Builds

GeForce 8400 GS vs Radeon HD 3670: Pros, Cons & Final Verdict

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

GeForce 8400 GS

2014

Why buy it

  • ✅Costs $70 less on MSRP ($30 MSRP vs $100 MSRP).
  • ✅Delivers 221.5% more G3D Mark for each dollar spent, at 5.4 vs 1.7 G3D/$ ($30 MSRP vs $100 MSRP).
  • ✅Draws 33W instead of 250W, a 217W reduction.

Trade-offs

  • ❌Lower average FPS than Radeon HD 3670 across 50 tracked games in our benchmark data.
  • ❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • ❌16900% longer card at 170mm vs 1mm.

Radeon HD 3670

2010

Why buy it

  • ✅5.8% more average FPS across 50 tracked games in our benchmark data.
  • ✅Measures 1mm instead of 170mm, a 169mm shorter card that is more SFF-friendly.

Trade-offs

  • ❌2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • ❌
    233.3% HIGHER MSRP
    $100 MSRPvs$30 MSRP
  • ❌Lower G3D Mark per dollar, at 1.7 vs 5.4 G3D/$ ($100 MSRP vs $30 MSRP).
  • ❌657.6% higher power demand at 250W vs 33W.

Quick Answers

Which GPU is faster for gaming right now?
Radeon HD 3670 is the faster gaming card right now. In our data, it leads by 5.8% in average FPS across 50 tracked games in our benchmark data and by 3.7% in PassMark G3D (169 vs 163), so the answer here is pretty clean.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 8400 GS is the safer long-term pick for 2026 and beyond. The case is simple: a 28nm process instead of 40nm and a newer 2014 generation instead of 2010. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
GeForce 8400 GS makes the most sense to buy today. It is $70 cheaper on MSRP at $30 vs $100, and it leads G3D-per-dollar by 221.5% (5.4 vs 1.7), which is enough to swing the recommendation its way. Radeon HD 3670 still makes more sense if max raw gaming performance matters more than value.

GeForce 8400 GS vs Radeon HD 3670 Technical Specifications

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

NVIDIA

GeForce 8400 GS

The GeForce 8400 GS is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 163 points.

AMD

Radeon HD 3670

The Radeon HD 3670 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 880 MHz. It has 1536 shading units. The thermal design power (TDP) is 250W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 169 points. Launch price was $369.

⚡

Graphics Performance

The GeForce 8400 GS scores 163 and the Radeon HD 3670 reaches 169 in the G3D Mark benchmark — just a 3.7% difference, making them near-identical in rasterization performance. The GeForce 8400 GS is built on Maxwell while the Radeon HD 3670 uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 384 (GeForce 8400 GS) vs 1,536 (Radeon HD 3670). Raw compute: 0.8632 TFLOPS (GeForce 8400 GS) vs 2.703 TFLOPS (Radeon HD 3670). Boost clocks: 1124 MHz vs 880 MHz.

FeatureGeForce 8400 GSRadeon HD 3670
G3D Mark Score
163
169+4%
Architecture
Maxwell
TeraScale 3
Process Node
28 nm
40 nm
Shading Units
384
1536+300%
Compute (TFLOPS)
0.8632 TFLOPS
2.703 TFLOPS+213%
Boost Clock
1124 MHz+28%
880 MHz
ROPs
8
32+300%
TMUs
16
96+500%
L1 Cache
192 KB
192 KB
L2 Cache
1 MB+100%
0.5 MB
✨

Advanced Features (DLSS/FSR)

The GeForce 8400 GS gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 3670 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce 8400 GSRadeon HD 3670
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
NVIDIA Reflex
AMD Anti-Lag
💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the GeForce 8400 GS and 128-bit on the Radeon HD 3670. L2 Cache: 1 MB (GeForce 8400 GS) vs 0.5 MB (Radeon HD 3670) — the GeForce 8400 GS has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce 8400 GSRadeon HD 3670
VRAM Capacity
0.5 GB
0.5 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
1 MB+100%
0.5 MB
🖥️

Display & API Support

DirectX support: 10.0 (GeForce 8400 GS) vs 10.1 (Radeon HD 3670). Maximum simultaneous displays: 2 vs 0.

FeatureGeForce 8400 GSRadeon HD 3670
DirectX
10.0
10.1
Max Displays
2
0
🎬

Media & Encoding

Hardware encoder: No (GeForce 8400 GS) vs UVD (Radeon HD 3670). Decoder: PureVideo HD VP2 vs UVD.

FeatureGeForce 8400 GSRadeon HD 3670
Encoder
No
UVD
Decoder
PureVideo HD VP2
UVD
Codecs
MPEG-2,H.264
—
🔌

Power & Dimensions

The GeForce 8400 GS draws 33W versus the Radeon HD 3670's 250W — a 153.4% difference. The GeForce 8400 GS is more power-efficient. Recommended PSU: 350W (GeForce 8400 GS) vs 350W (Radeon HD 3670). Power connectors: Legacy vs 1x 6-pin. Card length: 170mm vs 1mm, occupying 1 vs 0 slots.

FeatureGeForce 8400 GSRadeon HD 3670
TDP
33W-87%
250W
Recommended PSU
350W
350W
Power Connector
Legacy
1x 6-pin
Length
170mm
1mm
Height
106mm
—
Slots
1
0-100%
Temp (Load)
65°C
—
Perf/Watt
4.9+600%
0.7
💰

Value Analysis

At launch, the GeForce 8400 GS came in at $30, while the Radeon HD 3670 launched at $100. On MSRP, GeForce 8400 GS was 70% cheaper ($70 less). Performance per dollar on MSRP (G3D Mark / MSRP): 5.4 (GeForce 8400 GS) vs 1.7 (Radeon HD 3670) — the GeForce 8400 GS offers 217.6% better value. The newer card here is GeForce 8400 GS (2014 vs 2010).

FeatureGeForce 8400 GSRadeon HD 3670
MSRP
$30-70%
$100
Performance per Dollar
5.4+218%
1.7
Codename
GM108
Cayman
Release
March 17 2014
December 14 2010
Ranking
#850
#596
Search GeForce 8400 GS on AmazonSearch Radeon HD 3670 on Amazon

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