AMD Radeon HD 6850 vs AMD Radeon RX 6500 XT

VS

AMD Radeon HD 6850

AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 4GB VRAM Radeon RX 6500 XT 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 11 years and 3 months late

Boost Clock2815MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (143.9GB/s vs 128.0GB/s)

64 additional rendering cores

Lower TDP (107W vs 127W)

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

Radeon RX 6500 XT +287%

5.765 TFLOPS

Radeon HD 6850

VS

Radeon RX 6500 XT

Graphics Card

Oct 2010

Release Date

Jan 2022

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2310 MHz

-

Boost Clock

2815 MHz

1000 MHz

Memory Clock

2248 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

143.9GB/s

Render Config

12

Compute Units

16

-

960

Shading Units

1024

48

TMUs

64

32

ROPs

32

-

RT Cores

16

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

24.80 GPixel/s

Pixel Rate

90.08 GPixel/s

37.20 GTexel/s

Texture Rate

180.2 GTexel/s

-

FP16 (half)

11.53 TFLOPS

1488 GFLOPS

FP32 (float)

5.765 TFLOPS

-

FP64 (double)

360.3 GFLOPS

Board Design

127W

TDP

107W

300 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

Navi 24

Barts PRO (215-0798006)

GPU Variant

Navi 24 XT (215-135000006)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.7 billion

Transistors

5.4 billion

255 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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