GPU Comparison

A

AMD

RADEON

AMD Radeon Pro Vega II

CORE STATE Vega 20

VRAM 32 GB

CLOCK SPEED 1720 MHz

TDP 475 W

BUS WIDTH 4096 bit

ARCHITECTURE GCN 5.1

nm

PROCESS 7 nm

LAUNCH DATE 2019

VS

A

AMD

RADEON

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

PERFORMANCE BENCHMARKS

geekbench_metal

130,183

199,366

geekbench_opencl

99,405

154,506

geekbench_vulkan

100,312

152,200

3dmark_3dmark_steel_nomad_dx12

N/A

3,689

passmark_directx_10

N/A

155

passmark_directx_11

N/A

264

passmark_directx_12

N/A

100

passmark_directx_9

N/A

265

passmark_g2d

N/A

1,030

passmark_g3d

N/A

24,980

passmark_gpu_compute

N/A

13,245

DETAILED SPECIFICATIONS

SPECIFICATION

Pro Vega II

RX 6800 XT

Core Specs

Shading Units

4,096

4,608 +12.5%

Shaders

4,096

4,608 +12.5%

TMUs

256

288 +12.5%

ROPs

64

128 +100.0%

Compute Units

64

72 +12.5%

Clocks

Base Clock

1574 MHz

1825 MHz

Boost Clock

1720 MHz

2250 MHz

Game Clock

—

2015 MHz

Memory Clock

806 MHz 1612 Mbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

32 GB

16 GB

VRAM (MB)

32,768

16,384 -50.0%

Memory Type

HBM2

GDDR6

Memory Bus

4096 bit

256 bit

Bandwidth

825.3 GB/s

512.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

4 MB

4 MB

L3 Cache

—

128 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

110.1 GPixel/s

288.0 GPixel/s

Texture Rate

440.3 GTexel/s

648.0 GTexel/s

FP32 (TFLOPS)

14.09 TFLOPS

20.74 TFLOPS

FP64 (TFLOPS)

7.045 TFLOPS (1:2)

1,296.0 GFLOPS (1:16)

FP16 (TFLOPS)

28.18 TFLOPS (2:1)

41.47 TFLOPS (2:1)

AI/RT

RT Cores

—

72

Power

TDP

475 W

300 W

TDP (W)

475

300 -36.8%

Suggested PSU

850 W

700 W

Power Connectors

—

2x 8-pin

Architecture

Architecture

GCN 5.1

RDNA 2.0

GPU Name

Vega 20

Navi 21

Generation

Radeon Pro Mac (Vega Series)

Navi II (RX 6000)

Process Size

7 nm

7 nm

Transistors

13,230 million

26,800 million

Die Size

331 mm²

520 mm²

Foundry

TSMC

TSMC

Density

40.0M / mm²

51.5M / mm²

API Support

DirectX

12 (12_1)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

2.1

Shader Model

6.7

6.8

Physical

Slot Width

Quad-slot

Dual-slot

Length

—

267 mm 10.5 inches

Height

—

120 mm 4.7 inches

Outputs

1x HDMI 2.0b4x Thunderbolt

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

Bus Interface

Apple MPX

PCIe 4.0 x16

Other

Launch Price

2,199 USD

649 USD

Production

End-of-life

End-of-life

Predecessor

—

Navi

Successor

—

Navi III

View Radeon Pro Vega II Details View Radeon RX 6800 XT Details