GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6800 XT

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2250 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

VS

NVIDIA

GEFORCE

Switch GPU 16nm

CORE STATE GM20B

VRAM 4 GB

CLOCK SPEED 768 MHz

TDP 15 W

BUS WIDTH 64 bit

ARCHITECTURE Maxwell 2.0

nm

PROCESS 16 nm

LAUNCH DATE 2019

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

3,689

N/A

geekbench_metal

199,366

N/A

geekbench_opencl

154,506

N/A

geekbench_vulkan

152,200

N/A

passmark_directx_10

155

N/A

passmark_directx_11

264

N/A

passmark_directx_12

100

N/A

passmark_directx_9

265

N/A

passmark_g2d

1,030

N/A

passmark_g3d

24,980

N/A

passmark_gpu_compute

13,245

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6800 XT

Switch GPU 16nm

Core Specs

Shading Units

4,608

256 -94.4%

Shaders

4,608

256 -94.4%

TMUs

288

16 -94.4%

ROPs

128

16 -87.5%

Compute Units

72

—

Clocks

Base Clock

1825 MHz

384 MHz

Boost Clock

2250 MHz

768 MHz

Game Clock

2015 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1600 MHz 3.2 Gbps effective

Memory

Memory Size

16 GB

4 GB

VRAM (MB)

16,384

4,096 -75.0%

Memory Type

GDDR6

DDR4

Memory Bus

256 bit

64 bit

Bandwidth

512.0 GB/s

25.60 GB/s

Cache

L1 Cache

128 KB per Array

—

L2 Cache

4 MB

—

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

12.29 GPixel/s

Texture Rate

648.0 GTexel/s

12.29 GTexel/s

FP32 (TFLOPS)

20.74 TFLOPS

393.2 GFLOPS

FP64 (TFLOPS)

1,296.0 GFLOPS (1:16)

12.29 GFLOPS (1:32)

FP16 (TFLOPS)

41.47 TFLOPS (2:1)

786.4 GFLOPS (2:1)

AI/RT

RT Cores

72

—

Power

TDP

300 W

15 W

TDP (W)

300

15 -95.0%

Suggested PSU

700 W

—

Power Connectors

2x 8-pin

—

Architecture

Architecture

RDNA 2.0

Maxwell 2.0

GPU Name

Navi 21

GM20B

Generation

Navi II (RX 6000)

Console GPU (Nintendo)

Process Size

7 nm

16 nm

Transistors

26,800 million

2,000 million

Die Size

520 mm²

100 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

20.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

1.2

CUDA

—

5.3

Shader Model

6.8

6.0

Physical

Slot Width

Dual-slot

—

Length

267 mm 10.5 inches

239 mm 9.4 inches

Height

120 mm 4.7 inches

101 mm 4 inches

Outputs

1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C

1x USB Type-C

Bus Interface

PCIe 4.0 x16

—

Other

Launch Price

649 USD

299 USD

Production

End-of-life

End-of-life

Predecessor

Navi

—

Successor

Navi III

—

View Radeon RX 6800 XT Details View Switch GPU 16nm Details