AMD Radeon HD 6750 vs AMD Radeon RX 6800 XT

VS

AMD Radeon HD 6750

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages

Lower TDP (86W vs 300W)

AMD Radeon RX 6800 XT 's Advantages

Released 9 years and 9 months late

Boost Clock2250MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 73.60GB/s)

3888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6750

1.008 TFLOPS

Radeon RX 6800 XT +1957%

20.74 TFLOPS

Radeon HD 6750

VS

Radeon RX 6800 XT

Graphics Card

Jan 2011

Release Date

Oct 2020

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2250 MHz

1150 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

73.60GB/s

Bandwidth

512.0GB/s

Render Config

9

Compute Units

72

-

720

Shading Units

4608

36

TMUs

288

16

ROPs

128

-

RT Cores

72

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

288.0 GPixel/s

25.20 GTexel/s

Texture Rate

648.0 GTexel/s

-

FP16 (half)

41.47 TFLOPS

1008 GFLOPS

FP32 (float)

20.74 TFLOPS

-

FP64 (double)

1296 GFLOPS

Board Design

86W

TDP

300W

250 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Juniper

GPU Name

Navi 21

Juniper LE (215-0754009)

GPU Variant

Navi 21 XT (215-121000177)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.04 billion

Transistors

26.8 billion

166 mm²

Die Size

520 mm²

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

-

5.0

Shader Model

6.5

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