NVIDIA GeForce RTX 4090D vs AMD Radeon HD 6870 1600SP Edition

VS

NVIDIA GeForce RTX 4090D AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090D 's Advantages

Released 10 years and 11 months late

Boost Clock2520MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (1008GB/s vs 134.4GB/s)

12992 additional rendering cores

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090D +2603%

73.54 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

GeForce RTX 4090D

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Dec 2023

Release Date

Jan 2013

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2280 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

1050 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

134.4GB/s

Render Config

114

SM Count

-

Compute Units

20

14592

Shading Units

1600

456

TMUs

80

176

ROPs

32

456

Tensor Cores

-

114

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

72 MB

L2 Cache

512 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

27.20 GPixel/s

1149 GTexel/s

Texture Rate

68.00 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

2.720 TFLOPS

1149 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

AD102

GPU Name

Cypress

AD102-250-A1

GPU Variant

Cypress XT (215-0735033)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

2.154 billion

609 mm²

Die Size

334 mm²

Board Design

425W

TDP

175W

800 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 16-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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