AMD Radeon RX 6800 XT vs AMD Radeon HD 6970

VS

AMD Radeon RX 6800 XT AMD Radeon HD 6970

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 9 years and 10 months late

Boost Clock2250MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)

3072 additional rendering cores

AMD Radeon HD 6970 's Advantages

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +667%

20.74 TFLOPS

Radeon HD 6970

2.703 TFLOPS

Radeon RX 6800 XT

VS

Radeon HD 6970

Graphics Card

Oct 2020

Release Date

Dec 2010

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

1375 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

72

Compute Units

24

4608

Shading Units

1536

288

TMUs

96

128

ROPs

32

-

Tensor Cores

-

72

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

28.16 GPixel/s

648.0 GTexel/s

Texture Rate

84.48 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

2.703 TFLOPS

1296 GFLOPS

FP64 (double)

675.8 GFLOPS

Graphics Processor

Navi 21

GPU Name

Cayman

Navi 21 XT (215-121000177)

GPU Variant

Cayman XT (215-0807007)

RDNA 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

2.64 billion

520 mm²

Die Size

389 mm²

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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