ATI Radeon HD 5950 vs AMD Radeon RX 6800 XT

VS

ATI Radeon HD 5950

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5950 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 RX 6800 XT 's Advantages

Boost Clock2250MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 128.0GB/s)

3168 additional rendering cores

Lower TDP (300W vs 302W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5950

2.088 TFLOPS

Radeon RX 6800 XT +893%

20.74 TFLOPS

ATI Radeon HD 5950

VS

Radeon RX 6800 XT

Graphics Card

Unknown

Release Date

Oct 2020

Evergreen

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

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

512.0GB/s

Render Config

18

Compute Units

72

-

1440

Shading Units

4608

72

TMUs

288

32

ROPs

128

-

RT Cores

72

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

23.20 GPixel/s

Pixel Rate

288.0 GPixel/s

52.20 GTexel/s

Texture Rate

648.0 GTexel/s

-

FP16 (half)

41.47 TFLOPS

2.088 TFLOPS

FP32 (float)

20.74 TFLOPS

-

FP64 (double)

1296 GFLOPS

Board Design

302W

TDP

300W

700 W

Suggested PSU

700 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Hemlock

GPU Name

Navi 21

Hemlock PRO

GPU Variant

Navi 21 XT (215-121000177)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.154 billion

Transistors

26.8 billion

334 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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