AMD Radeon HD 8990 OEM vs NVIDIA GeForce RTX 4080 Ti

VS

AMD Radeon HD 8990 OEM

NVIDIA GeForce RTX 4080 Ti

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 16GB VRAM GeForce RTX 4080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8990 OEM 's Advantages

Lower TDP (375W vs 400W)

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock has increased by 161% (2610MHz vs 1000MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (678.4GB/s vs 288.0GB/s)

12032 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8990 OEM

4.096 TFLOPS

GeForce RTX 4080 Ti +1694%

73.5 TFLOPS

Radeon HD 8990 OEM

VS

GeForce RTX 4080 Ti

Graphics Card

Apr 2013

Release Date

Unknown

Sea Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

950 MHz

Base Clock

2340 MHz

1000 MHz

Boost Clock

2610 MHz

1500 MHz

Memory Clock

1325 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

678.4GB/s

Render Config

32

Compute Units

-

SM Count

110

2048

Shading Units

14080

128

TMUs

440

32

ROPs

144

-

Tensor Cores

440

-

RT Cores

110

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

80 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

375.8 GPixel/s

128.0 GTexel/s

Texture Rate

1148 GTexel/s

-

FP16 (half)

73.50 TFLOPS

4.096 TFLOPS

FP32 (float)

73.50 TFLOPS

1024 GFLOPS

FP64 (double)

1148 GFLOPS

Board Design

375W

TDP

400W

750 W

Suggested PSU

800 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Malta

GPU Name

AD102

Malta XT (215-0849026)

GPU Variant

AD102-225-A1

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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