NVIDIA L20 vs ATI Radeon HD 2900 XT

VS

NVIDIA L20

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 48GB VRAM L20 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages

Released 16 years and 6 months late

Boost Clock2520MHz

More VRAM (48GB vs 512GB)

Larger VRAM bandwidth (864.0GB/s vs 106.0GB/s)

11456 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 275W)

Score

Benchmark

FP32 (float)

L20 +12368%

59.35 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

L20

VS

Radeon HD 2900 XT

Graphics Card

Nov 2023

Release Date

May 2007

Tesla Ada

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1440 MHz

Base Clock

-

2520 MHz

Boost Clock

-

2250 MHz

Memory Clock

828 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

512bit

864.0GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

92

SM Count

-

11776

Shading Units

320

368

TMUs

16

128

ROPs

16

368

Tensor Cores

-

92

RT Cores

-

128 KB (per SM)

L1 Cache

-

96 MB

L2 Cache

256 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

11.89 GPixel/s

927.4 GTexel/s

Texture Rate

11.89 GTexel/s

59.35 TFLOPS

FP16 (half)

-

59.35 TFLOPS

FP32 (float)

475.5 GFLOPS

927.4 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

215W

600 W

Suggested PSU

550 W

4x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

AD102

GPU Name

R600

AD102

GPU Variant

R600 XT (215RGMDKA13FG)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

76.3 billion

Transistors

0.72 billion

609 mm²

Die Size

420 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

4.0

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