GPU Comparison

A

AMD

RADEON

AMD Radeon Pro W6900X

CORE STATE Navi 21

VRAM 32 GB

CLOCK SPEED 2171 MHz

TDP 300 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

A

AMD

RADEON

Radeon RX 6400

CORE STATE Navi 24

VRAM 4 GB

CLOCK SPEED 2321 MHz

TDP 53 W

BUS WIDTH 64 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_metal

205,557

N/A

geekbench_opencl

131,392

32,977

geekbench_vulkan

143,199

38,040

3dmark_3dmark_steel_nomad_dx12

N/A

176

passmark_directx_10

N/A

54

passmark_directx_11

N/A

70

passmark_directx_12

N/A

30

passmark_directx_9

N/A

93

passmark_g2d

N/A

722

passmark_g3d

N/A

7,673

passmark_gpu_compute

N/A

2,812

DETAILED SPECIFICATIONS

SPECIFICATION

Pro W6900X

RX 6400

Core Specs

Shading Units

5,120

768 -85.0%

Shaders

5,120

768 -85.0%

TMUs

320

48 -85.0%

ROPs

128

32 -75.0%

Compute Units

80

12 -85.0%

Clocks

Base Clock

1825 MHz

1923 MHz

Boost Clock

2171 MHz

2321 MHz

Game Clock

—

2039 MHz

Memory Clock

2000 MHz 16 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

32 GB

4 GB

VRAM (MB)

32,768

4,096 -87.5%

Memory Type

GDDR6

GDDR6

Memory Bus

256 bit

64 bit

Bandwidth

512.0 GB/s

128.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB per Array

L2 Cache

4 MB

1024 KB

L3 Cache

128 MB

16 MB

L0 Cache

32 KB per WGP

32 KB per WGP

Performance

Pixel Rate

277.9 GPixel/s

74.27 GPixel/s

Texture Rate

694.7 GTexel/s

111.4 GTexel/s

FP32 (TFLOPS)

22.23 TFLOPS

3.565 TFLOPS

FP64 (TFLOPS)

1,389.4 GFLOPS (1:16)

222.8 GFLOPS (1:16)

FP16 (TFLOPS)

44.46 TFLOPS (2:1)

7.130 TFLOPS (2:1)

AI/RT

RT Cores

80

12 -85.0%

Power

TDP

300 W

53 W

TDP (W)

300

53 -82.3%

Suggested PSU

700 W

250 W

Power Connectors

—

None

Architecture

Architecture

RDNA 2.0

RDNA 2.0

GPU Name

Navi 21

Navi 24

Generation

Radeon Pro Mac (Navi II Series)

Navi II (RX 6000)

Process Size

7 nm

6 nm

Transistors

26,800 million

5,400 million

Die Size

520 mm²

107 mm²

Foundry

TSMC

TSMC

Density

51.5M / mm²

50.5M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

2.2

Shader Model

6.8

6.8

Physical

Slot Width

—

Single-slot

Length

267 mm 10.5 inches

—

Height

120 mm 4.7 inches

—

Outputs

1x HDMI 2.14x Thunderbolt

1x HDMI 2.11x DisplayPort 1.4a

Bus Interface

Apple MPX

PCIe 4.0 x4

Other

Launch Price

5,999 USD

159 USD

Production

End-of-life

End-of-life

Predecessor

—

Navi

Successor

—

Navi III

View Radeon Pro W6900X Details View Radeon RX 6400 Details