Radeon HD 6450A vs Radeon R2

AMD

Radeon HD 6450A

2011Core: 600 MHz
Similar parts
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VS
AMD

Radeon R2

2019Core: 730 MHzBoost: 1024 MHz
Similar parts
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Radeon HD 6450A vs Radeon R2 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 6450A vs Radeon R2 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 6450A vs Radeon R2: 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 6450A

2011

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 4.7 vs 0 G3D/$ ($55 MSRP vs Unknown MSRP).

Trade-offs

  • Lower average FPS than Radeon R2 across 50 tracked games in our benchmark data.
  • 2011 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon R2

2019

Why buy it

  • 3.2% more average FPS across 50 tracked games in our benchmark data.
  • Radeon HD 6450A is already obsolete for modern gaming, so Radeon R2 is the less risky modern option long term.
  • More future proof: GCN 3.0 (2014−2019) on 28nm with a newer platform for upcoming games.

Trade-offs

  • 2019 hardware with 512 MB of VRAM already sits in legacy territory for modern games.
  • Lower G3D Mark per dollar, at 0 vs 4.7 G3D/$ (Unknown MSRP vs $55 MSRP).

Quick Answers

Which GPU is faster for gaming right now?
Radeon R2 is the faster gaming card right now. In our data, it leads by 3.2% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 6450A instead at 260 vs 254, so for this question the real-game FPS result matters more than the synthetic split.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon R2 is the safer long-term pick for 2026 and beyond. The case is simple: a 28nm process instead of 40nm and a newer 2019 generation instead of 2011. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
Radeon HD 6450A 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, Radeon HD 6450A is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon R2 has the stronger long-term case.

Radeon HD 6450A vs Radeon R2 Technical Specifications

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

AMD

Radeon HD 6450A

The Radeon HD 6450A is manufactured by AMD. It was released in April 19 2011. 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: 260 points.

AMD

Radeon R2

The Radeon R2 is manufactured by AMD. It was released in May 13 2019. It features the GCN 3.0 architecture. The core clock ranges from 730 MHz to 1024 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 254 points.

Graphics Performance

The Radeon HD 6450A scores 260 and the Radeon R2 reaches 254 in the G3D Mark benchmark — just a 2.4% difference, making them near-identical in rasterization performance. The Radeon HD 6450A is built on TeraScale 2 while the Radeon R2 uses GCN 3.0, both on 40 nm vs 28 nm. Shader units: 480 (Radeon HD 6450A) vs 384 (Radeon R2). Raw compute: 0.576 TFLOPS (Radeon HD 6450A) vs 0.7864 TFLOPS (Radeon R2).

FeatureRadeon HD 6450ARadeon R2
G3D Mark Score
260+2%
254
Architecture
TeraScale 2
GCN 3.0
Process Node
40 nm
28 nm
Shading Units
480+25%
384
Compute (TFLOPS)
0.576 TFLOPS
0.7864 TFLOPS+37%
ROPs
8
8
TMUs
24
24
L1 Cache
48 KB
96 KB+100%
L2 Cache
256 KB+100%
128 KB
Frame Generation
FSR upscaling
FSR upscaling

Advanced Features (DLSS/FSR)

FeatureRadeon HD 6450ARadeon R2
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 6450A and 64-bit on the Radeon R2. L2 Cache: 256 KB (Radeon HD 6450A) vs 128 KB (Radeon R2) — the Radeon HD 6450A has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon HD 6450ARadeon R2
VRAM Capacity
0.5 GB
0.5 GB
Memory Type
GDDR5
GDDR5
Bus Width
128-bit+100%
64-bit
L2 Cache
256 KB+100%
128 KB
🔌

Power & Dimensions

The Radeon HD 6450A draws 45W versus the Radeon R2's 50W — a 10.5% difference. The Radeon HD 6450A is more power-efficient. Recommended PSU: 350W (Radeon HD 6450A) vs 350W (Radeon R2). Power connectors: 1x 6-pin vs PCIe-powered.

FeatureRadeon HD 6450ARadeon R2
TDP
45W-10%
50W
Recommended PSU
350W
350W
Power Connector
1x 6-pin
PCIe-powered
Length
0mm
Slots
0
Perf/Watt
5.8+14%
5.1
💰

Value Analysis

At launch, the Radeon HD 6450A came in at $55, while the Radeon R2 launched at $0. On MSRP, Radeon R2 was 100+% cheaper ($55 less). Performance per dollar on MSRP (G3D Mark / MSRP): 4.7 (Radeon HD 6450A) vs Infinity (Radeon R2) — the Radeon R2 offers Infinity% better value. The newer card here is Radeon R2 (2019 vs 2011).

FeatureRadeon HD 6450ARadeon R2
MSRP
$55
$0-100%
Performance per Dollar
4.7
Infinity
Codename
Onega
Polaris 24
Release
April 19 2011
May 13 2019
Ranking
#926
#858

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