GeForce 6600 vs RADEON X600XT

NVIDIA

GeForce 6600

2012Core: 980 MHzBoost: 1033 MHz
Similar parts
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VS
AMD

RADEON X600XT

2020Core: 1825 MHzBoost: 2250 MHz
Similar parts
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GeForce 6600 vs RADEON X600XT 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.

GeForce 6600 vs RADEON X600XT 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.

GeForce 6600 vs RADEON X600XT: 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 6600

2012

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 0.3 vs 0 G3D/$ ($270 MSRP vs Unknown MSRP).
  • Draws 140W instead of 300W, a 160W reduction.

Trade-offs

  • Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
  • 2012 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

RADEON X600XT

2020

Why buy it

  • 100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
  • GeForce 6600 is already obsolete for modern gaming, so RADEON X600XT is the less risky modern option long term.
  • More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.

Trade-offs

  • Older hardware, 512 MB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
  • Lower G3D Mark per dollar, at 0 vs 0.3 G3D/$ (Unknown MSRP vs $270 MSRP).
  • 114.3% higher power demand at 300W vs 140W.

Quick Answers

Which GPU is faster for gaming right now?
RADEON X600XT is the faster gaming card right now based on the synthetic data we have. It leads by 7% in PassMark G3D (92 vs 86), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
RADEON X600XT is the safer long-term pick for 2026 and beyond. The case is simple: 512 MB vs 256 MB of VRAM, the newer upscaling stack, FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack, a 7nm process instead of 28nm, and 80 vs 0 ray-tracing units. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
GeForce 6600 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, GeForce 6600 is the easier value choice. If you care more about 1080p and some 1440p headroom, RADEON X600XT has the stronger long-term case.

GeForce 6600 vs RADEON X600XT Technical Specifications

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

NVIDIA

GeForce 6600

The GeForce 6600 is manufactured by NVIDIA. It was released in September 6 2012. It features the Kepler architecture. The core clock ranges from 980 MHz to 1033 MHz. It has 960 shading units. The thermal design power (TDP) is 140W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 86 points. Launch price was $229.

AMD

RADEON X600XT

The RADEON X600XT is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1825 MHz to 2250 MHz. It has 5120 shading units. The thermal design power (TDP) is 300W. Manufactured using 7 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 92 points. Launch price was $999.

Graphics Performance

In G3D Mark, the GeForce 6600 scores 86 versus the RADEON X600XT's 92 — the RADEON X600XT leads by 7%. The GeForce 6600 is built on Kepler while the RADEON X600XT uses RDNA 2.0, both on 28 nm vs 7 nm. Shader units: 960 (GeForce 6600) vs 5,120 (RADEON X600XT). Raw compute: 1.981 TFLOPS (GeForce 6600) vs 23.04 TFLOPS (RADEON X600XT). Boost clocks: 1033 MHz vs 2250 MHz.

FeatureGeForce 6600RADEON X600XT
G3D Mark Score
86
92+7%
Architecture
Kepler
RDNA 2.0
Process Node
28 nm
7 nm
Shading Units
960
5120+433%
Compute (TFLOPS)
1.981 TFLOPS
23.04 TFLOPS+1063%
Boost Clock
1033 MHz
2250 MHz+118%
ROPs
24
128+433%
TMUs
80
320+300%
L1 Cache
0.08 MB
1 MB+1150%
L2 Cache
0.38 MB
4 MB+953%

Advanced Features (DLSS/FSR)

The GeForce 6600 gets NVIDIA DLSS, which still tends to look cleaner in motion. The RADEON X600XT leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce 6600RADEON X600XT
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)

The GeForce 6600 has 256 MB of VRAM, while the RADEON X600XT carries 512 MB. RADEON X600XT gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce 6600 and 64-bit on the RADEON X600XT. L2 Cache: 0.38 MB (GeForce 6600) vs 4 MB (RADEON X600XT) — the RADEON X600XT has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce 6600RADEON X600XT
VRAM Capacity
0.25 GB
0.5 GB+100%
Memory Type
GDDR5
GDDR5
Bus Width
128-bit+100%
64-bit
L2 Cache
0.38 MB
4 MB+953%
🔌

Power & Dimensions

The GeForce 6600 draws 140W versus the RADEON X600XT's 300W — a 72.7% difference. The GeForce 6600 is more power-efficient. Recommended PSU: 350W (GeForce 6600) vs 350W (RADEON X600XT). Power connectors: Legacy vs Legacy.

FeatureGeForce 6600RADEON X600XT
TDP
140W-53%
300W
Recommended PSU
350W
350W
Power Connector
Legacy
Legacy
Length
183mm
Height
111mm
Slots
1
Temp (Load)
75°C
Perf/Watt
0.6+100%
0.3
💰

Value Analysis

At launch, the GeForce 6600 came in at $270, while the RADEON X600XT launched at $0. On MSRP, RADEON X600XT was 100+% cheaper ($270 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.3 (GeForce 6600) vs Infinity (RADEON X600XT) — the RADEON X600XT offers Infinity% better value. The newer card here is RADEON X600XT (2020 vs 2012).

FeatureGeForce 6600RADEON X600XT
MSRP
$270
$0-100%
Performance per Dollar
0.3
Infinity
Codename
GK106
Navi 21
Release
September 6 2012
October 28 2020
Ranking
#490
#35

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