AMD Radeon HD 6850 X2 vs AMD Radeon RX 8800 XT

VS

AMD Radeon HD 6850 X2

AMD Radeon RX 8800 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 134.4GB/s)

3136 additional rendering cores

Lower TDP (220W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX 8800 XT +1196%

19.91 TFLOPS

Radeon HD 6850 X2

VS

Radeon RX 8800 XT

Graphics Card

Sep 2011

Release Date

Unknown

Northern Islands

Generation

Navi IV(RX 8000)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

1050 MHz

Memory Clock

2438 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

624.1GB/s

Render Config

12

Compute Units

64

-

960

Shading Units

4096

48

TMUs

256

32

ROPs

96

-

RT Cores

64

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

233.3 GPixel/s

38.40 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

1.536 TFLOPS

FP32 (float)

19.91 TFLOPS

-

FP64 (double)

622.1 GFLOPS

Board Design

254W

TDP

220W

600 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Barts

GPU Name

Navi 48

Barts PRO (215-0798006)

GPU Variant

Navi 48 XT

TeraScale 2

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

1.7 billion

Transistors

Unknown

255 mm²

Die Size

Unknown

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

6.8

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