GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6900 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

A

AMD

RADEON

Radeon RX Vega M GH

CORE STATE Polaris 22

VRAM 4 GB

CLOCK SPEED 1190 MHz

TDP 100 W

BUS WIDTH 1024 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2018

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

4,079

N/A

geekbench_metal

207,444

N/A

geekbench_opencl

167,057

27,125

geekbench_vulkan

166,636

31,268

passmark_directx_10

167

N/A

passmark_directx_11

279

N/A

passmark_directx_12

113

N/A

passmark_directx_9

268

N/A

passmark_g2d

1,055

N/A

passmark_g3d

26,732

N/A

passmark_gpu_compute

14,547

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6900 XT

RX Vega M GH

Core Specs

Shading Units

5,120

1,536 -70.0%

Shaders

5,120

1,536 -70.0%

TMUs

320

96 -70.0%

ROPs

128

64 -50.0%

Compute Units

80

24 -70.0%

Clocks

Base Clock

1825 MHz

1063 MHz

Boost Clock

2250 MHz

1190 MHz

Game Clock

2015 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

800 MHz 1600 Mbps effective

Memory

Memory Size

16 GB

4 GB

VRAM (MB)

16,384

4,096 -75.0%

Memory Type

GDDR6

HBM2

Memory Bus

256 bit

1024 bit

Bandwidth

512.0 GB/s

204.8 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per CU)

L2 Cache

4 MB

1024 KB

L3 Cache

128 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

288.0 GPixel/s

76.16 GPixel/s

Texture Rate

720.0 GTexel/s

114.2 GTexel/s

FP32 (TFLOPS)

23.04 TFLOPS

3.656 TFLOPS

FP64 (TFLOPS)

1,440.0 GFLOPS (1:16)

228.5 GFLOPS (1:16)

FP16 (TFLOPS)

46.08 TFLOPS (2:1)

3.656 TFLOPS (1:1)

AI/RT

RT Cores

80

—

Power

TDP

300 W

100 W

TDP (W)

300

100 -66.7%

Suggested PSU

700 W

—

Power Connectors

2x 8-pin

—

Architecture

Architecture

RDNA 2.0

GCN 4.0

GPU Name

Navi 21

Polaris 22

Generation

Navi II (RX 6000)

Vega (Vega M)

Process Size

7 nm

14 nm

Transistors

26,800 million

5,000 million

Die Size

520 mm²

208 mm²

Foundry

TSMC

GlobalFoundries

Density

51.5M / mm²

24.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.3

OpenCL

2.1

2.1

Shader Model

6.8

6.7

Physical

Slot Width

Triple-slot

IGP

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

IGP

Other

Launch Price

999 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

—

Successor

Navi III

—

View Radeon RX 6900 XT Details View Radeon RX Vega M GH Details