NVIDIA GeForce RTX 4090 D vs AMD Radeon HD 6850

VS

NVIDIA GeForce RTX 4090 D AMD Radeon HD 6850

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 D and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 D 's Advantages

Released 13 years and 2 months late

Boost Clock2520MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (1008GB/s vs 128.0GB/s)

13632 additional rendering cores

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 425W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 D +4842%

73.54 TFLOPS

Radeon HD 6850

1.488 TFLOPS

GeForce RTX 4090 D

VS

Radeon HD 6850

Graphics Card

Dec 2023

Release Date

Oct 2010

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

1000 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

128.0GB/s

Render Config

114

SM Count

-

Compute Units

12

14592

Shading Units

960

456

TMUs

48

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

24.80 GPixel/s

1149 GTexel/s

Texture Rate

37.20 GTexel/s

73.54 TFLOPS

FP16 (half)

-

73.54 TFLOPS

FP32 (float)

1488 GFLOPS

1149 GFLOPS

FP64 (double)

-

Graphics Processor

AD102

GPU Name

Barts

AD102-250-A1

GPU Variant

Barts PRO (215-0798006)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

1.7 billion

609 mm²

Die Size

255 mm²

Board Design

425W

TDP

127W

800 W

Suggested PSU

300 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

1x 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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