GPU Comparison

A

AMD

RADEON

AMD Radeon Pro W6800X

CORE STATE Navi 21

VRAM 32 GB

CLOCK SPEED 2087 MHz

TDP 200 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

A

AMD

RADEON

Radeon RX 6650 XT

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2635 MHz

TDP 176 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_metal

196,844

109,922

geekbench_opencl

123,773

87,548

3dmark_3dmark_steel_nomad_dx12

N/A

1,859

geekbench_vulkan

N/A

93,769

passmark_directx_10

N/A

109

passmark_directx_11

N/A

169

passmark_directx_12

N/A

62

passmark_directx_9

N/A

215

passmark_g2d

N/A

918

passmark_g3d

N/A

17,166

passmark_gpu_compute

N/A

7,532

DETAILED SPECIFICATIONS

SPECIFICATION

Pro W6800X

RX 6650 XT

Core Specs

Shading Units

3,840

2,048 -46.7%

Shaders

3,840

2,048 -46.7%

TMUs

240

128 -46.7%

ROPs

96

64 -33.3%

Compute Units

60

32 -46.7%

Clocks

Base Clock

1800 MHz

2055 MHz

Boost Clock

2087 MHz

2635 MHz

Game Clock

—

2410 MHz

Memory Clock

2000 MHz 16 Gbps effective

2190 MHz 17.5 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

280.3 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

200.4 GPixel/s

168.6 GPixel/s

Texture Rate

500.9 GTexel/s

337.3 GTexel/s

FP32 (TFLOPS)

16.03 TFLOPS

10.79 TFLOPS

FP64 (TFLOPS)

1,001.8 GFLOPS (1:16)

674.6 GFLOPS (1:16)

FP16 (TFLOPS)

32.06 TFLOPS (2:1)

21.59 TFLOPS (2:1)

AI/RT

RT Cores

60

32 -46.7%

Power

TDP

200 W

176 W

TDP (W)

200

176 -12.0%

Suggested PSU

550 W

450 W

Power Connectors

Apple MPX

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

—

Height

120 mm 4.7 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

2,799 USD

399 USD

Production

End-of-life

End-of-life

Predecessor

—

Navi

Successor

—

Navi III

View Radeon Pro W6800X Details View Radeon RX 6650 XT Details