GPU Comparison

A

AMD

RADEON

AMD Radeon PRO W6800

CORE STATE Navi 21

VRAM 32 GB

CLOCK SPEED 2322 MHz

TDP 250 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

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_metal

171,137

108,608

geekbench_opencl

120,399

82,736

geekbench_vulkan

109,228

89,263

3dmark_3dmark_steel_nomad_dx12

N/A

1,804

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 W6800

RX 6600 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

1575 MHz

1968 MHz

Boost Clock

2322 MHz

2589 MHz

Game Clock

—

2359 MHz

Memory Clock

2000 MHz 16 Gbps effective

2000 MHz 16 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

256.0 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

222.9 GPixel/s

165.7 GPixel/s

Texture Rate

557.3 GTexel/s

331.4 GTexel/s

FP32 (TFLOPS)

17.83 TFLOPS

10.60 TFLOPS

FP64 (TFLOPS)

1,114.6 GFLOPS (1:16)

662.8 GFLOPS (1:16)

FP16 (TFLOPS)

35.67 TFLOPS (2:1)

21.21 TFLOPS (2:1)

AI/RT

RT Cores

60

32 -46.7%

Power

TDP

250 W

160 W

TDP (W)

250

160 -36.0%

Suggested PSU

600 W

450 W

Power Connectors

1x 6-pin + 1x 8-pin

1x 8-pin

Architecture

Architecture

RDNA 2.0

RDNA 2.0

GPU Name

Navi 21

Navi 23

Generation

Radeon Pro Navi (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

Dual-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

6x mini-DisplayPort 1.4a

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x16

PCIe 4.0 x8

Other

Launch Price

2,249 USD

379 USD

Production

End-of-life

End-of-life

Predecessor

Radeon Pro Vega

Navi

Successor

—

Navi III

View Radeon PRO W6800 Details View Radeon RX 6600 XT Details