Tesla K20m vs Tesla K20Xm

NVIDIA

Tesla K20m

2013Core: 706 MHz
Similar parts
·
VS
NVIDIA

Tesla K20Xm

2012Core: 732 MHz
Similar parts
·······

Tesla K20m vs Tesla K20Xm 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.

Tesla K20m vs Tesla K20Xm: Pros, Cons & Final Verdict

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

Tesla K20m

2013

Why buy it

  • Costs $4,500 less on MSRP ($3,199 MSRP vs $7,699 MSRP).
  • Delivers 142.3% more G3D Mark for each dollar spent, at 1.4 vs 0.6 G3D/$ ($3,199 MSRP vs $7,699 MSRP).

Trade-offs

  • Less VRAM, with 2 GB vs 6 GB for high-resolution textures and newer games.
  • 2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Tesla K20Xm

2012

Why buy it

  • 200% more VRAM for high-resolution textures and newer games (6 GB vs 2 GB).

Trade-offs

  • 2012 hardware with 6 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 140.7% HIGHER MSRP
    $7,699 MSRPvs$3,199 MSRP
  • Lower G3D Mark per dollar, at 0.6 vs 1.4 G3D/$ ($7,699 MSRP vs $3,199 MSRP).

Quick Answers

Which GPU is faster for gaming right now?
Tesla K20m is the faster gaming card right now based on the synthetic data we have. It leads by 0.7% in PassMark G3D (4,432 vs 4,403), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
Tesla K20m is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2013 generation instead of 2012. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
Tesla K20m makes the most sense to buy today. It is $4,500 cheaper on MSRP at $3,199 vs $7,699, and it leads G3D-per-dollar by 142.3% (1.4 vs 0.6), so the value case lines up with the gaming result.

Tesla K20m vs Tesla K20Xm Technical Specifications

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

NVIDIA

Tesla K20m

The Tesla K20m is manufactured by NVIDIA. It was released in January 5 2013. It features the Kepler architecture. The core clock speed is 706 MHz. It has 2496 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,432 points. Launch price was $3,199.

NVIDIA

Tesla K20Xm

The Tesla K20Xm is manufactured by NVIDIA. It was released in November 12 2012. It features the Kepler architecture. The core clock speed is 732 MHz. It has 2688 shading units. The thermal design power (TDP) is 235W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,403 points. Launch price was $7,699.

Graphics Performance

The Tesla K20m scores 4,432 and the Tesla K20Xm reaches 4,403 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Tesla K20m is built on Kepler while the Tesla K20Xm uses Kepler, both on a 28 nm process. Shader units: 2,496 (Tesla K20m) vs 2,688 (Tesla K20Xm). Raw compute: 3.524 TFLOPS (Tesla K20m) vs 3.935 TFLOPS (Tesla K20Xm).

FeatureTesla K20mTesla K20Xm
G3D Mark Score
4,432
4,403
Architecture
Kepler
Kepler
Process Node
28 nm
28 nm
Shading Units
2496
2688+8%
Compute (TFLOPS)
3.524 TFLOPS
3.935 TFLOPS+12%
ROPs
40
48+20%
TMUs
208
224+8%
L1 Cache
208 KB
224 KB+8%
L2 Cache
1.25 MB
1.5 MB+20%

Advanced Features (DLSS/FSR)

FeatureTesla K20mTesla K20Xm
Upscaling Tech
Upscaling support
Upscaling support
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
Standard
💾

Video Memory (VRAM)

The Tesla K20m has 2 GB of VRAM, while the Tesla K20Xm carries 6 GB. Tesla K20Xm gives you 200% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Tesla K20m and 64-bit on the Tesla K20Xm. L2 Cache: 1.25 MB (Tesla K20m) vs 1.5 MB (Tesla K20Xm) — the Tesla K20Xm has significantly larger on-die cache to reduce VRAM reliance.

FeatureTesla K20mTesla K20Xm
VRAM Capacity
2 GB
6 GB+200%
Memory Type
GDDR5
GDDR5
Bus Width
64-bit
64-bit
L2 Cache
1.25 MB
1.5 MB+20%
🔌

Power & Dimensions

The Tesla K20m draws 225W versus the Tesla K20Xm's 235W — a 4.3% difference. The Tesla K20m is more power-efficient. Recommended PSU: 350W (Tesla K20m) vs 350W (Tesla K20Xm). Power connectors: PCIe-powered vs PCIe-powered.

FeatureTesla K20mTesla K20Xm
TDP
225W-4%
235W
Recommended PSU
350W
350W
Power Connector
PCIe-powered
PCIe-powered
Perf/Watt
19.7+5%
18.7
💰

Value Analysis

At launch, the Tesla K20m came in at $3199, while the Tesla K20Xm launched at $7699. On MSRP, Tesla K20m was 58.4% cheaper ($4500 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.4 (Tesla K20m) vs 0.6 (Tesla K20Xm) — the Tesla K20m offers 133.3% better value. The newer card here is Tesla K20m (2013 vs 2012).

FeatureTesla K20mTesla K20Xm
MSRP
$3199-58%
$7699
Performance per Dollar
1.4+133%
0.6
Codename
GK110
GK110
Release
January 5 2013
November 12 2012
Ranking
#470
#473

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.