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

Quadro K620M

CORE STATE GM108S

VRAM 2 GB

CLOCK SPEED 1124 MHz

TDP 30 W

BUS WIDTH 64 bit

ARCHITECTURE Maxwell

nm

PROCESS 28 nm

LAUNCH DATE 2015

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

3,188

N/A

geekbench_metal

175,541

N/A

geekbench_opencl

24,559

5,957

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

Quadro K620M

Core Specs

Shading Units

3,840

384 -90.0%

Shaders

3,840

384 -90.0%

TMUs

240

16 -93.3%

ROPs

96

8 -91.7%

Compute Units

60

—

Clocks

Base Clock

1700 MHz

1029 MHz

Boost Clock

2105 MHz

1124 MHz

Game Clock

1815 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1001 MHz 2 Gbps effective

Memory

Memory Size

16 GB

2 GB

VRAM (MB)

16,384

2,048 -87.5%

Memory Type

GDDR6

DDR3

Memory Bus

256 bit

64 bit

Bandwidth

512.0 GB/s

16.02 GB/s

Cache

L1 Cache

128 KB per Array

64 KB (per SMM)

L2 Cache

4 MB

1024 KB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

202.1 GPixel/s

8.992 GPixel/s

Texture Rate

505.2 GTexel/s

17.98 GTexel/s

FP32 (TFLOPS)

16.17 TFLOPS

863.2 GFLOPS

FP64 (TFLOPS)

1,010.4 GFLOPS (1:16)

26.98 GFLOPS (1:32)

FP16 (TFLOPS)

32.33 TFLOPS (2:1)

—

AI/RT

RT Cores

60

—

Power

TDP

250 W

30 W

TDP (W)

250

30 -88.0%

Suggested PSU

600 W

—

Power Connectors

2x 8-pin

None

Architecture

Architecture

RDNA 2.0

Maxwell

GPU Name

Navi 21

GM108S

Generation

Navi II (RX 6000)

Quadro Kepler-M (Kx200M)

Process Size

7 nm

28 nm

Transistors

26,800 million

1,020 million

Die Size

520 mm²

77 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

13.2M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

3.0

CUDA

—

5.0

Shader Model

6.8

6.7 (5.1)

Physical

Slot Width

Dual-slot

MXM Module

Length

267 mm 10.5 inches

—

Height

120 mm 4.7 inches

—

Outputs

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

Portable Device Dependent

Bus Interface

PCIe 4.0 x16

MXM-A (3.0)

Other

Launch Price

579 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Quadro Fermi-M

Successor

Navi III

Quadro Maxwell-M

View Radeon RX 6800 Details View Quadro K620M Details