GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6800

CORE STATE Navi 21

VRAM 16 GB

CLOCK SPEED 2105 MHz

TDP 250 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2020

VS

NVIDIA

GEFORCE

A100X

CORE STATE GA100

VRAM 80 GB

CLOCK SPEED 1440 MHz

TDP 300 W

BUS WIDTH 5120 bit

ARCHITECTURE Ampere

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

3,188

N/A

geekbench_metal

175,541

N/A

geekbench_opencl

24,559

N/A

geekbench_vulkan

130,531

N/A

passmark_directx_10

128

N/A

passmark_directx_11

214

N/A

passmark_directx_12

89

N/A

passmark_directx_9

257

N/A

passmark_g2d

990

N/A

passmark_g3d

22,067

N/A

passmark_gpu_compute

10,864

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6800

A100X

Core Specs

Shading Units

3,840

6,912 +80.0%

Shaders

3,840

6,912 +80.0%

TMUs

240

432 +80.0%

ROPs

96

160 +66.7%

Compute Units

60

—

SM Count

—

108

Clocks

Base Clock

1700 MHz

795 MHz

Boost Clock

2105 MHz

1440 MHz

Game Clock

1815 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1593 MHz 3.2 Gbps effective

Memory

Memory Size

16 GB

80 GB

VRAM (MB)

16,384

81,920 +400.0%

Memory Type

GDDR6

HBM2e

Memory Bus

256 bit

5120 bit

Bandwidth

512.0 GB/s

2.04 TB/s

Cache

L1 Cache

128 KB per Array

192 KB (per SM)

L2 Cache

4 MB

80 MB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

202.1 GPixel/s

230.4 GPixel/s

Texture Rate

505.2 GTexel/s

622.1 GTexel/s

FP32 (TFLOPS)

16.17 TFLOPS

19.91 TFLOPS

FP64 (TFLOPS)

1,010.4 GFLOPS (1:16)

9.953 TFLOPS (1:2)

FP16 (TFLOPS)

32.33 TFLOPS (2:1)

79.63 TFLOPS (4:1)

AI/RT

RT Cores

60

—

Tensor Cores

—

432

Power

TDP

250 W

300 W

TDP (W)

250

300 +20.0%

Suggested PSU

600 W

700 W

Power Connectors

2x 8-pin

1x 16-pin

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 21

GA100

Generation

Navi II (RX 6000)

Server Ampere (Axx)

Process Size

7 nm

7 nm

Transistors

26,800 million

54,200 million

Die Size

520 mm²

826 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

65.6M / mm²

API Support

DirectX

12 Ultimate (12_2)

—

OpenGL

4.6

—

Vulkan

1.4

—

OpenCL

2.1

3.0

CUDA

—

8.0

Shader Model

6.8

—

Physical

Slot Width

Dual-slot

Dual-slot

Length

267 mm 10.5 inches

267 mm 10.5 inches

Height

120 mm 4.7 inches

112 mm 4.4 inches

Outputs

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

No outputs

Bus Interface

PCIe 4.0 x16

PCIe 4.0 x8

Other

Launch Price

579 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Tesla Turing

Successor

Navi III

Server Ada

View Radeon RX 6800 Details View A100X Details