AMD Radeon HD 6850 1440SP Edition vs AMD Radeon RX 6600 XT

VS

AMD Radeon HD 6850 1440SP Edition AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Released 8 years and 11 months late

Boost Clock2589MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

Radeon RX 6600 XT +407%

10.6 TFLOPS

Radeon HD 6850 1440SP Edition

VS

Radeon RX 6600 XT

Graphics Card

Aug 2012

Release Date

Jul 2021

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1968 MHz

-

Boost Clock

2589 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

18

Compute Units

32

1440

Shading Units

2048

72

TMUs

128

32

ROPs

64

-

Tensor Cores

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

Theoretical Performance

23.20 GPixel/s

Pixel Rate

165.7 GPixel/s

52.20 GTexel/s

Texture Rate

331.4 GTexel/s

-

FP16 (half)

21.21 TFLOPS

2.088 TFLOPS

FP32 (float)

10.60 TFLOPS

417.6 GFLOPS

FP64 (double)

662.8 GFLOPS

Graphics Processor

Cypress

GPU Name

Navi 23

Cypress PRO (215-0735043)

GPU Variant

Navi 23 XT (215-130000006)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.154 billion

Transistors

11.06 billion

334 mm²

Die Size

237 mm²

Board Design

151W

TDP

160W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.7

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