GPU Comparison

A

AMD

RADEON

AMD Radeon PRO W6400

CORE STATE Navi 24

VRAM 4 GB

CLOCK SPEED 2321 MHz

TDP 50 W

BUS WIDTH 64 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2022

VS

A

AMD

RADEON

Radeon RX 6600 XT

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2589 MHz

TDP 160 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

34,511

82,736

3dmark_3dmark_steel_nomad_dx12

N/A

1,804

geekbench_metal

N/A

108,608

geekbench_vulkan

N/A

89,263

passmark_directx_10

N/A

109

passmark_directx_11

N/A

163

passmark_directx_12

N/A

61

passmark_directx_9

N/A

194

passmark_g2d

N/A

912

passmark_g3d

N/A

16,461

passmark_gpu_compute

N/A

7,520

DETAILED SPECIFICATIONS

SPECIFICATION

PRO W6400

RX 6600 XT

Core Specs

Shading Units

768

2,048 +166.7%

Shaders

768

2,048 +166.7%

TMUs

48

128 +166.7%

ROPs

32

64 +100.0%

Compute Units

12

32 +166.7%

Clocks

Base Clock

2039 MHz

1968 MHz

Boost Clock

2321 MHz

2589 MHz

Game Clock

—

2359 MHz

Memory Clock

2000 MHz 16 Gbps effective

2000 MHz 16 Gbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

GDDR6

GDDR6

Memory Bus

64 bit

128 bit

Bandwidth

128.0 GB/s

256.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB per Array

L2 Cache

1024 KB

2 MB

L3 Cache

8 MB

32 MB

L0 Cache

32 KB per WGP

32 KB per WGP

Performance

Pixel Rate

74.27 GPixel/s

165.7 GPixel/s

Texture Rate

111.4 GTexel/s

331.4 GTexel/s

FP32 (TFLOPS)

3.565 TFLOPS

10.60 TFLOPS

FP64 (TFLOPS)

222.8 GFLOPS (1:16)

662.8 GFLOPS (1:16)

FP16 (TFLOPS)

7.130 TFLOPS (2:1)

21.21 TFLOPS (2:1)

AI/RT

RT Cores

12

32 +166.7%

Power

TDP

50 W

160 W

TDP (W)

50

160 +220.0%

Suggested PSU

250 W

450 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

RDNA 2.0

RDNA 2.0

GPU Name

Navi 24

Navi 23

Generation

Radeon Pro Navi (Navi II Series)

Navi II (RX 6000)

Process Size

6 nm

7 nm

Transistors

5,400 million

11,060 million

Die Size

107 mm²

237 mm²

Foundry

TSMC

TSMC

Density

50.5M / mm²

46.7M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.2

2.1

Shader Model

6.8

6.8

Physical

Slot Width

Single-slot

Dual-slot

Length

—

190 mm 7.5 inches

Height

—

110 mm 4.3 inches

Outputs

2x DisplayPort 1.4a

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x4

PCIe 4.0 x8

Other

Launch Price

—

379 USD

Production

End-of-life

End-of-life

Predecessor

Radeon Pro Vega

Navi

Successor

—

Navi III

View Radeon PRO W6400 Details View Radeon RX 6600 XT Details