GPU Comparison

A

AMD

RADEON

AMD 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

VS

A

AMD

RADEON

Radeon RX 6600S

CORE STATE Navi 23

VRAM 4 GB

CLOCK SPEED 2000 MHz

TDP 80 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,804

N/A

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

66,403

geekbench_vulkan

89,263

N/A

passmark_directx_10

109

81

passmark_directx_11

163

105

passmark_directx_12

61

56

passmark_directx_9

194

176

passmark_g2d

912

647

passmark_g3d

16,461

12,649

passmark_gpu_compute

7,520

4,879

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 XT

RX 6600S

Core Specs

Shading Units

2,048

1,792 -12.5%

Shaders

2,048

1,792 -12.5%

TMUs

128

112 -12.5%

ROPs

64

64 0.0%

Compute Units

32

28 -12.5%

Clocks

Base Clock

1968 MHz

1700 MHz

Boost Clock

2589 MHz

2000 MHz

Game Clock

2359 MHz

1881 MHz

Memory Clock

2000 MHz 16 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

8 GB

4 GB

VRAM (MB)

8,192

4,096 -50.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

128 bit

Bandwidth

256.0 GB/s

224.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB per Array

L2 Cache

2 MB

2 MB

L3 Cache

32 MB

32 MB

L0 Cache

32 KB per WGP

32 KB per WGP

Performance

Pixel Rate

165.7 GPixel/s

128.0 GPixel/s

Texture Rate

331.4 GTexel/s

224.0 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

7.168 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

448.0 GFLOPS (1:16)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

14.34 TFLOPS (2:1)

AI/RT

RT Cores

32

28 -12.5%

Power

TDP

160 W

80 W

TDP (W)

160

80 -50.0%

Suggested PSU

450 W

—

Power Connectors

1x 8-pin

None

Architecture

Architecture

RDNA 2.0

RDNA 2.0

GPU Name

Navi 23

Navi 23

Generation

Navi II (RX 6000)

Navi Mobile (RX 6000M)

Process Size

7 nm

7 nm

Transistors

11,060 million

11,060 million

Die Size

237 mm²

237 mm²

Foundry

TSMC

TSMC

Density

46.7M / 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

IGP

Length

190 mm 7.5 inches

—

Height

110 mm 4.3 inches

—

Outputs

1x HDMI 2.13x DisplayPort 1.4a

Portable Device Dependent

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x8

Other

Launch Price

379 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Polaris Mobile

Successor

Navi III

—

View Radeon RX 6600 XT Details View Radeon RX 6600S Details