AMD Radeon RX 6800 XT vs AMD Radeon HD 7670 OEM

VS

AMD Radeon RX 6800 XT

AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 512MB VRAM Radeon HD 7670 OEM 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 8 years and 9 months late

Boost Clock2250MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

4128 additional rendering cores

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +2600%

20.74 TFLOPS

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon RX 6800 XT

VS

Radeon HD 7670 OEM

Graphics Card

Oct 2020

Release Date

Jan 2012

Navi II

Generation

Southern 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

1000 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

72

Compute Units

6

-

4608

Shading Units

480

288

TMUs

24

128

ROPs

8

-

72

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

6.400 GPixel/s

648.0 GTexel/s

Texture Rate

19.20 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

768.0 GFLOPS

1296 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

66W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Turks

Navi 21 XT (215-121000177)

GPU Variant

Turks XT (215-0803000)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.716 billion

520 mm²

Die Size

118 mm²

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

-

6.5

Shader Model

5.0

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