AMD Radeon HD 8990 OEM vs NVIDIA L20

VS

AMD Radeon HD 8990 OEM

NVIDIA L20

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages

Released 10 years and 7 months late

Boost Clock has increased by 152% (2520MHz vs 1000MHz)

More VRAM (48GB vs 3GB)

Larger VRAM bandwidth (864.0GB/s vs 288.0GB/s)

9728 additional rendering cores

Lower TDP (275W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM

4.096 TFLOPS

L20 +1348%

59.35 TFLOPS

Radeon HD 8990 OEM

VS

L20

Graphics Card

Apr 2013

Release Date

Nov 2023

Sea Islands

Generation

Tesla Ada

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

1440 MHz

1000 MHz

Boost Clock

2520 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

3GB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

288.0GB/s

Bandwidth

864.0GB/s

Render Config

32

Compute Units

-

SM Count

92

2048

Shading Units

11776

128

TMUs

368

32

ROPs

128

-

Tensor Cores

368

-

RT Cores

92

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

96 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

322.6 GPixel/s

128.0 GTexel/s

Texture Rate

927.4 GTexel/s

-

FP16 (half)

59.35 TFLOPS

4.096 TFLOPS

FP32 (float)

59.35 TFLOPS

1024 GFLOPS

FP64 (double)

927.4 GFLOPS

Board Design

375W

TDP

275W

750 W

Suggested PSU

600 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Malta

GPU Name

AD102

Malta XT (215-0849026)

GPU Variant

AD102

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

76.3 billion

365 mm²

Die Size

609 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

5.1

Shader Model

6.7

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