GeForce GTX 555 vs Radeon R9 M275X

NVIDIA

GeForce GTX 555

2011Core: 720 MHz
Similar parts
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VS
AMD

Radeon R9 M275X

2014Core: 900 MHzBoost: 925 MHz
Similar parts
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GeForce GTX 555 vs Radeon R9 M275X 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 GTX 555 vs Radeon R9 M275X 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 GTX 555 vs Radeon R9 M275X: 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 GTX 555

2011

Why buy it

  • Costs $150 less on MSRP ($150 MSRP vs $300 MSRP).
  • Delivers 96.7% more G3D Mark for each dollar spent, at 10.7 vs 5.4 G3D/$ ($150 MSRP vs $300 MSRP).
  • 100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).

Trade-offs

  • Lower average FPS than Radeon R9 M275X across 50 tracked games in our benchmark data.
  • 2011 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 20900% longer card at 210mm vs 1mm.

Radeon R9 M275X

2014

Why buy it

  • 11.7% more average FPS across 50 tracked games in our benchmark data.
  • Measures 1mm instead of 210mm, a 209mm shorter card that is more SFF-friendly.
  • More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
  • 2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 100% HIGHER MSRP
    $300 MSRPvs$150 MSRP
  • Lower G3D Mark per dollar, at 5.4 vs 10.7 G3D/$ ($300 MSRP vs $150 MSRP).

Quick Answers

Which GPU is faster for gaming right now?
Radeon R9 M275X is the faster gaming card right now. In our data, it leads by 11.7% in average FPS across 50 tracked games in our benchmark data and by 1.7% in PassMark G3D (1,631 vs 1,604), so the answer here is pretty clean.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce GTX 555 is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
GeForce GTX 555 makes the most sense to buy today. It is $150 cheaper on MSRP at $150 vs $300, and it leads G3D-per-dollar by 96.7% (10.7 vs 5.4), which is enough to swing the recommendation its way. Radeon R9 M275X still makes more sense if max raw gaming performance matters more than value.

GeForce GTX 555 vs Radeon R9 M275X Technical Specifications

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

NVIDIA

GeForce GTX 555

The GeForce GTX 555 is manufactured by NVIDIA. It was released in May 14 2011. It features the Fermi 2.0 architecture. The core clock speed is 720 MHz. It has 144 shading units. The thermal design power (TDP) is 70W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,604 points. Launch price was $149.

AMD

Radeon R9 M275X

The Radeon R9 M275X is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,631 points.

Graphics Performance

The GeForce GTX 555 scores 1,604 and the Radeon R9 M275X reaches 1,631 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The GeForce GTX 555 is built on Fermi 2.0 while the Radeon R9 M275X uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 144 (GeForce GTX 555) vs 640 (Radeon R9 M275X). Raw compute: 0.4147 TFLOPS (GeForce GTX 555) vs 1.184 TFLOPS (Radeon R9 M275X).

FeatureGeForce GTX 555Radeon R9 M275X
G3D Mark Score
1,604
1,631+2%
Architecture
Fermi 2.0
GCN 1.0
Process Node
40 nm
28 nm
Shading Units
144
640+344%
Compute (TFLOPS)
0.4147 TFLOPS
1.184 TFLOPS+186%
ROPs
16
16
TMUs
24
40+67%
L1 Cache
192 KB+20%
160 KB
L2 Cache
384 KB+50%
256 KB

Advanced Features (DLSS/FSR)

The GeForce GTX 555 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R9 M275X leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce GTX 555Radeon R9 M275X
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 GTX 555 has 1 GB of VRAM, while the Radeon R9 M275X carries 512 MB. GeForce GTX 555 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 GTX 555 and 128-bit on the Radeon R9 M275X. L2 Cache: 384 KB (GeForce GTX 555) vs 256 KB (Radeon R9 M275X) — the GeForce GTX 555 has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce GTX 555Radeon R9 M275X
VRAM Capacity
1 GB+100%
0.5 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
384 KB+50%
256 KB
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GTX 555) vs 12_0 (Radeon R9 M275X). Maximum simultaneous displays: 2 vs 0.

FeatureGeForce GTX 555Radeon R9 M275X
DirectX
12 (11_0)
12_0
Max Displays
2
0
🎬

Media & Encoding

Hardware encoder: PureVideo HD VP4 (GeForce GTX 555) vs VCE 2.0 (Radeon R9 M275X). Decoder: PureVideo HD VP4 vs UVD 4.2.

FeatureGeForce GTX 555Radeon R9 M275X
Encoder
PureVideo HD VP4
VCE 2.0
Decoder
PureVideo HD VP4
UVD 4.2
Codecs
H.264,VC-1,MPEG-2,MPEG-4 ASP
🔌

Power & Dimensions

The GeForce GTX 555 draws 70W versus the Radeon R9 M275X's 75W — a 6.9% difference. The GeForce GTX 555 is more power-efficient. Recommended PSU: 450W (GeForce GTX 555) vs 350W (Radeon R9 M275X). Power connectors: 1x 6-pin vs Mobile. Card length: 210mm vs 1mm, occupying 2 vs 0 slots.

FeatureGeForce GTX 555Radeon R9 M275X
TDP
70W-7%
75W
Recommended PSU
450W
350W-22%
Power Connector
1x 6-pin
Mobile
Length
210mm
1mm
Height
111mm
Slots
2
0-100%
Temp (Load)
75°C
Perf/Watt
22.9+6%
21.7
💰

Value Analysis

At launch, the GeForce GTX 555 came in at $150, while the Radeon R9 M275X launched at $300. On MSRP, GeForce GTX 555 was 50% cheaper ($150 less). Performance per dollar on MSRP (G3D Mark / MSRP): 10.7 (GeForce GTX 555) vs 5.4 (Radeon R9 M275X) — the GeForce GTX 555 offers 98.1% better value. The newer card here is Radeon R9 M275X (2014 vs 2011).

FeatureGeForce GTX 555Radeon R9 M275X
MSRP
$150-50%
$300
Performance per Dollar
10.7+98%
5.4
Codename
GF116
Venus
Release
May 14 2011
January 28 2014
Ranking
#849
#746

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