AMD Radeon RX 6500 XT vs AMD Radeon HD 6850 X2

VS

AMD Radeon RX 6500 XT

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6500 XT and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500 XT 's Advantages

Released 10 years and 4 months late

Boost Clock2815MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (143.9GB/s vs 134.4GB/s)

64 additional rendering cores

Lower TDP (107W vs 254W)

Score

Benchmark

FP32 (float)

Radeon RX 6500 XT +275%

5.765 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX 6500 XT

VS

Radeon HD 6850 X2

Graphics Card

Jan 2022

Release Date

Sep 2011

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2815 MHz

Boost Clock

-

2248 MHz

Memory Clock

1050 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

143.9GB/s

Bandwidth

134.4GB/s

Render Config

16

Compute Units

12

-

1024

Shading Units

960

64

TMUs

48

32

ROPs

32

-

16

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

16 MB

L3 Cache

-

Theoretical Performance

90.08 GPixel/s

Pixel Rate

25.60 GPixel/s

180.2 GTexel/s

Texture Rate

38.40 GTexel/s

11.53 TFLOPS

FP16 (half)

-

5.765 TFLOPS

FP32 (float)

1.536 TFLOPS

360.3 GFLOPS

FP64 (double)

-

Board Design

107W

TDP

254W

300 W

Suggested PSU

600 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 24

GPU Name

Barts

Navi 24 XT (215-135000006)

GPU Variant

Barts PRO (215-0798006)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

1.7 billion

107 mm²

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.6

Shader Model

5.0

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