Radeon HD 6300M vs Radeon X1900 GT

AMD

Radeon HD 6300M

2011Core: 750 MHz
Similar parts
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VS
AMD

Radeon X1900 GT

2022Core: 1387 MHzBoost: 2394 MHz
Similar parts
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Radeon HD 6300M vs Radeon X1900 GT 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 6300M vs Radeon X1900 GT 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 6300M vs Radeon X1900 GT: 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 6300M

2011

Why buy it

  • 100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
  • Draws 186W instead of 300W, a 114W reduction.

Trade-offs

  • 2011 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • Lower G3D Mark per dollar, at 0 vs 0.5 G3D/$ (Unknown MSRP vs $299 MSRP).

Radeon X1900 GT

2022

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 0.5 vs 0 G3D/$ ($299 MSRP vs Unknown MSRP).
  • Better long-term bet: RDNA 3.0 (2022−2026) on 5nm gives it a newer hardware base for upcoming games.
  • More future proof: RDNA 3.0 (2022−2026) on 5nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
  • 61.3% higher power demand at 300W vs 186W.

Quick Answers

Which GPU is faster for gaming right now?
Radeon X1900 GT is the faster gaming card right now based on the synthetic data we have. It leads by 1.4% in PassMark G3D (146 vs 144), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon X1900 GT is the safer long-term pick for 2026 and beyond. The case is simple: a 5nm process instead of 40nm, 84 vs 0 ray-tracing units, and a newer 2022 generation instead of 2011. That gives it the more rounded hardware package for newer games.
Which GPU is the better buy today?
Radeon X1900 GT makes the most sense today based on the pricing and value data we have for this matchup.

Radeon HD 6300M vs Radeon X1900 GT Technical Specifications

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

AMD

Radeon HD 6300M

The Radeon HD 6300M is manufactured by AMD. It was released in December 1 2011. It features the TeraScale 3 architecture. The core clock speed is 750 MHz. It has 1280 shading units. The thermal design power (TDP) is 186W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 144 points. Launch price was $180.

AMD

Radeon X1900 GT

The Radeon X1900 GT is manufactured by AMD. It was released in November 3 2022. It features the RDNA 3.0 architecture. The core clock ranges from 1387 MHz to 2394 MHz. It has 5376 shading units. The thermal design power (TDP) is 300W. Manufactured using 5 nm process technology. It features 84 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 146 points. Launch price was $899.

Graphics Performance

The Radeon HD 6300M scores 144 and the Radeon X1900 GT reaches 146 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. The Radeon HD 6300M is built on TeraScale 3 while the Radeon X1900 GT uses RDNA 3.0, both on 40 nm vs 5 nm. Shader units: 1,280 (Radeon HD 6300M) vs 5,376 (Radeon X1900 GT). Raw compute: 1.92 TFLOPS (Radeon HD 6300M) vs 51.48 TFLOPS (Radeon X1900 GT).

FeatureRadeon HD 6300MRadeon X1900 GT
G3D Mark Score
144
146+1%
Architecture
TeraScale 3
RDNA 3.0
Process Node
40 nm
5 nm
Shading Units
1280
5376+320%
Compute (TFLOPS)
1.92 TFLOPS
51.48 TFLOPS+2581%
ROPs
32
192+500%
TMUs
80
336+320%
L1 Cache
0.31 MB
3 MB+868%
L2 Cache
0.5 MB
6 MB+1100%
Frame Generation
FSR upscaling
FSR upscaling + RSR

Advanced Features (DLSS/FSR)

FeatureRadeon HD 6300MRadeon X1900 GT
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 6300M has 512 MB of VRAM, while the Radeon X1900 GT carries 256 MB. Radeon HD 6300M gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is System on the Radeon HD 6300M and 64-bit on the Radeon X1900 GT. L2 Cache: 0.5 MB (Radeon HD 6300M) vs 6 MB (Radeon X1900 GT) — the Radeon X1900 GT has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon HD 6300MRadeon X1900 GT
VRAM Capacity
0.5 GB+100%
0.25 GB
Memory Type
Shared
GDDR5
Bus Width
System
64-bit
L2 Cache
0.5 MB
6 MB+1100%
🔌

Power & Dimensions

The Radeon HD 6300M draws 186W versus the Radeon X1900 GT's 300W — a 46.9% difference. The Radeon HD 6300M is more power-efficient. Recommended PSU: 350W (Radeon HD 6300M) vs 350W (Radeon X1900 GT). Power connectors: 1x 6-pin vs PCIe-powered.

FeatureRadeon HD 6300MRadeon X1900 GT
TDP
186W-38%
300W
Recommended PSU
350W
350W
Power Connector
1x 6-pin
PCIe-powered
Perf/Watt
0.8+60%
0.5
💰

Value Analysis

The newer card here is Radeon X1900 GT (2022 vs 2011).

FeatureRadeon HD 6300MRadeon X1900 GT
MSRP
$299
Codename
Cayman
Navi 31
Release
December 1 2011
November 3 2022
Ranking
#598
#21

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