L40 vs Radeon RX 7900 XTX

L40

2022Core: 735 MHzBoost: 2490 MHz
Similar parts
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VS
AMD

Radeon RX 7900 XTX

2022Core: 1929 MHzBoost: 2498 MHz
RX family
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L40 vs Radeon RX 7900 XTX 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.

L40 vs Radeon RX 7900 XTX: Pros, Cons & Final Verdict

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

L40

2022

Why buy it

  • 100% more VRAM for high-resolution textures and newer games (48 GB vs 24 GB).
  • Draws 300W instead of 355W, a 55W reduction.
  • More future proof: Ada Lovelace (2022−2024) on 4nm with a newer platform for upcoming games.

Trade-offs

  • No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
  • Radeon RX 7900 XTX is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
  • 3003.1% HIGHER MSRP
    $31,000 MSRPvs$999 MSRP
  • Lower G3D Mark per dollar, at 1.1 vs 31.3 G3D/$ ($31,000 MSRP vs $999 MSRP).

Radeon RX 7900 XTX

2022

Why buy it

  • Costs $30,001 less on MSRP ($999 MSRP vs $31,000 MSRP).
  • Delivers 2877.8% more G3D Mark for each dollar spent, at 31.3 vs 1.1 G3D/$ ($999 MSRP vs $31,000 MSRP).
  • Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
  • Better long-term bet: RDNA 3.0 (2022−2026) on 5nm gives it a newer hardware base for upcoming games.

Trade-offs

  • Less VRAM, with 24 GB vs 48 GB for high-resolution textures and newer games.
  • 18.3% higher power demand at 355W vs 300W.

Quick Answers

Which GPU is faster for gaming right now?
L40 is the faster gaming card right now based on the synthetic data we have. It leads by 4.2% in PassMark G3D (32,601 vs 31,285), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon RX 7900 XTX is the safer long-term pick for 2026 and beyond. The case is simple: the newer feature stack, with FSR 3 (2023) and FSR Frame Generation + AFMF (2023), while L40 is limited to no meaningful modern upscaling stack and no comparable frame-generation support. That still leaves it as the safer long-term option on hardware alone.
Which GPU is the better buy today?
Radeon RX 7900 XTX makes the most sense to buy today. It is $30,001 cheaper on MSRP at $999 vs $31,000, and it leads G3D-per-dollar by 2877.8% (31.3 vs 1.1), which is enough to swing the recommendation its way. L40 still makes more sense if max raw gaming performance matters more than value.

L40 vs Radeon RX 7900 XTX Technical Specifications

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

NVIDIA

L40

The L40 is manufactured by NVIDIA. It was released in October 13 2022. It features the Ada Lovelace architecture. The core clock ranges from 735 MHz to 2490 MHz. It has 18176 shading units. The thermal design power (TDP) is 300W. Manufactured using 4 nm process technology. It features 142 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 32,601 points.

AMD

Radeon RX 7900 XTX

The Radeon RX 7900 XTX is manufactured by AMD. It was released in November 3 2022. It features the RDNA 3.0 architecture. The core clock ranges from 1929 MHz to 2498 MHz. It has 6144 shading units. The thermal design power (TDP) is 355W. Manufactured using 5 nm process technology. It features 96 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 31,285 points. Launch price was $999.

Graphics Performance

The L40 scores 32,601 and the Radeon RX 7900 XTX reaches 31,285 in the G3D Mark benchmark — just a 4.2% difference, making them near-identical in rasterization performance. The L40 is built on Ada Lovelace while the Radeon RX 7900 XTX uses RDNA 3.0, both on 4 nm vs 5 nm. Shader units: 18,176 (L40) vs 6,144 (Radeon RX 7900 XTX). Raw compute: 90.52 TFLOPS (L40) vs 61.39 TFLOPS (Radeon RX 7900 XTX). Boost clocks: 2490 MHz vs 2498 MHz. Ray tracing: 142 RT cores (L40) vs 96 (Radeon RX 7900 XTX) with 568 Tensor cores.

FeatureL40Radeon RX 7900 XTX
G3D Mark Score
32,601+4%
31,285
Architecture
Ada Lovelace
RDNA 3.0
Process Node
4 nm
5 nm
Shading Units
18176+196%
6144
Compute (TFLOPS)
90.52 TFLOPS+47%
61.39 TFLOPS
Boost Clock
2490 MHz
2498 MHz
ROPs
192
192
TMUs
568+48%
384
L1 Cache
17.8 MB+493%
3 MB
L2 Cache
96 MB+1500%
6 MB
Ray Tracing Cores
142+48%
96

Advanced Features (DLSS/FSR)

The clearest feature edge for the Radeon RX 7900 XTX is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The L40 does not have comparable native support in the same tier.

FeatureL40Radeon RX 7900 XTX
Upscaling Tech
Upscaling support
FSR 3
Frame Generation
Not Supported
FSR Frame Generation + AFMF
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

The L40 has 48 GB of VRAM, while the Radeon RX 7900 XTX carries 24 GB. L40 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 384-bit on the L40 and 384-bit on the Radeon RX 7900 XTX. L2 Cache: 96 MB (L40) vs 6 MB (Radeon RX 7900 XTX) — the L40 has significantly larger on-die cache to reduce VRAM reliance.

FeatureL40Radeon RX 7900 XTX
VRAM Capacity
48 GB+100%
24 GB
Memory Type
GDDR6
GDDR6
Memory Bandwidth
960 GB/s
960 GB/s
Bus Width
384-bit
384-bit
L2 Cache
96 MB+1500%
6 MB
🖥️

Display & API Support

DirectX support: 12.2 (L40) vs 12 Ultimate (Radeon RX 7900 XTX). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

FeatureL40Radeon RX 7900 XTX
DirectX
12.2+2%
12 Ultimate
Vulkan
1.3
1.4+8%
OpenGL
4.6
4.6
Max Displays
4
4
🎬

Media & Encoding

Hardware encoder: NVENC 8th Gen (L40) vs AMD Dual Media Engine (Radeon RX 7900 XTX). Decoder: NVDEC 5th Gen vs AMD Dual Media Engine. Supported codecs: AV1,HEVC,H.264,VP9 (L40) vs H.264,H.265/HEVC,AV1,VP9 (Radeon RX 7900 XTX).

FeatureL40Radeon RX 7900 XTX
Encoder
NVENC 8th Gen
AMD Dual Media Engine
Decoder
NVDEC 5th Gen
AMD Dual Media Engine
Codecs
AV1,HEVC,H.264,VP9
H.264,H.265/HEVC,AV1,VP9
🔌

Power & Dimensions

The L40 draws 300W versus the Radeon RX 7900 XTX's 355W — a 16.8% difference. The L40 is more power-efficient. Recommended PSU: 750W (L40) vs 800W (Radeon RX 7900 XTX). Power connectors: 16-pin vs 2x 8-pin. Card length: 267mm vs 287mm, occupying 2 vs 2 slots. Typical load temperature: 80°C vs 68°C.

FeatureL40Radeon RX 7900 XTX
TDP
300W-15%
355W
Recommended PSU
750W-6%
800W
Power Connector
16-pin
2x 8-pin
Length
267mm
287mm
Height
111mm
110mm
Slots
2
2
Temp (Load)
80°C
68°C-15%
Perf/Watt
108.7+23%
88.1
💰

Value Analysis

At launch, the L40 came in at $31000, while the Radeon RX 7900 XTX launched at $999. On MSRP, Radeon RX 7900 XTX was 96.8% cheaper ($30001 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.1 (L40) vs 31.3 (Radeon RX 7900 XTX) — the Radeon RX 7900 XTX offers 2745.5% better value.

FeatureL40Radeon RX 7900 XTX
MSRP
$31000
$999-97%
Performance per Dollar
1.1
31.3+2745%
Codename
AD102
Navi 31
Release
October 13 2022
November 3 2022
Ranking
#61
#12

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