AMD Radeon HD 8870 OEM vs NVIDIA GeForce RTX 4090 D

VS

AMD Radeon HD 8870 OEM NVIDIA GeForce RTX 4090 D

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 24GB VRAM GeForce RTX 4090 D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 425W)

NVIDIA GeForce RTX 4090 D 's Advantages

Released 10 years and 11 months late

Boost Clock2520MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1008GB/s vs 153.6GB/s)

13312 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

GeForce RTX 4090 D +2772%

73.54 TFLOPS

Radeon HD 8870 OEM

VS

GeForce RTX 4090 D

Graphics Card

Jan 2013

Release Date

Dec 2023

Sea Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2280 MHz

-

Boost Clock

2520 MHz

1200 MHz

Memory Clock

1313 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

1008GB/s

Render Config

-

SM Count

114

20

Compute Units

-

1280

Shading Units

14592

80

TMUs

456

32

ROPs

176

-

Tensor Cores

456

-

RT Cores

114

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

72 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

443.5 GPixel/s

80.00 GTexel/s

Texture Rate

1149 GTexel/s

-

FP16 (half)

73.54 TFLOPS

2.560 TFLOPS

FP32 (float)

73.54 TFLOPS

160.0 GFLOPS

FP64 (double)

1149 GFLOPS

Graphics Processor

Pitcairn

GPU Name

AD102

Pitcairn XT (215-0828047)

GPU Variant

AD102-250-A1

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

76.3 billion

212 mm²

Die Size

609 mm²

Board Design

175W

TDP

425W

450 W

Suggested PSU

800 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 16-pin

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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