GPU Comparison

A

AMD

RADEON

AMD Radeon Pro W6800X Duo

CORE STATE Navi 21

VRAM 32 GB

CLOCK SPEED 1967 MHz

TDP 400 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

A

AMD

RADEON

Radeon RX 6600

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2491 MHz

TDP 132 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_metal

180,749

99,441

geekbench_opencl

124,927

73,130

geekbench_vulkan

125,622

80,492

3dmark_3dmark_steel_nomad_dx12

N/A

1,492

passmark_directx_10

N/A

95

passmark_directx_11

N/A

152

passmark_directx_12

N/A

51

passmark_directx_9

N/A

197

passmark_g2d

N/A

889

passmark_g3d

N/A

15,096

passmark_gpu_compute

N/A

6,554

DETAILED SPECIFICATIONS

SPECIFICATION

Pro W6800X Duo

RX 6600

Core Specs

Shading Units

3,840

1,792 -53.3%

Shaders

3,840

1,792 -53.3%

TMUs

240

112 -53.3%

ROPs

96

64 -33.3%

Compute Units

60

28 -53.3%

Clocks

Base Clock

1800 MHz

1626 MHz

Boost Clock

1967 MHz

2491 MHz

Game Clock

—

2044 MHz

Memory Clock

2000 MHz 16 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

32 GB

8 GB

VRAM (MB)

32,768

8,192 -75.0%

Memory Type

GDDR6

GDDR6

Memory Bus

256 bit

128 bit

Bandwidth

512.0 GB/s

224.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB per Array

L2 Cache

4 MB

2 MB

L3 Cache

128 MB

32 MB

L0 Cache

32 KB per WGP

32 KB per WGP

Performance

Pixel Rate

188.8 GPixel/s

159.4 GPixel/s

Texture Rate

472.1 GTexel/s

279.0 GTexel/s

FP32 (TFLOPS)

15.11 TFLOPS

8.928 TFLOPS

FP64 (TFLOPS)

944.2 GFLOPS (1:16)

558.0 GFLOPS (1:16)

FP16 (TFLOPS)

30.21 TFLOPS (2:1)

17.86 TFLOPS (2:1)

AI/RT

RT Cores

60

28 -53.3%

Power

TDP

400 W

132 W

TDP (W)

400

132 -67.0%

Suggested PSU

800 W

300 W

Power Connectors

—

1x 8-pin

Architecture

Architecture

RDNA 2.0

RDNA 2.0

GPU Name

Navi 21

Navi 23

Generation

Radeon Pro Mac (Navi II Series)

Navi II (RX 6000)

Process Size

7 nm

7 nm

Transistors

26,800 million

11,060 million

Die Size

520 mm²

237 mm²

Foundry

TSMC

TSMC

Density

51.5M / 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

2.1

2.1

Shader Model

6.8

6.8

Physical

Slot Width

Quad-slot

Dual-slot

Length

267 mm 10.5 inches

190 mm 7.5 inches

Height

120 mm 4.7 inches

110 mm 4.3 inches

Outputs

1x HDMI 2.14x Thunderbolt

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

Apple MPX

PCIe 4.0 x8

Other

Launch Price

4,999 USD

329 USD

Production

End-of-life

End-of-life

Predecessor

—

Navi

Successor

—

Navi III

View Radeon Pro W6800X Duo Details View Radeon RX 6600 Details