GPU Comparison

A

AMD

RADEON

AMD 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

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_opencl

66,403

87,548

passmark_directx_10

81

109

passmark_directx_11

105

169

passmark_directx_12

56

62

passmark_directx_9

176

215

passmark_g2d

647

918

passmark_g3d

12,649

17,166

passmark_gpu_compute

4,879

7,532

3dmark_3dmark_steel_nomad_dx12

N/A

1,859

geekbench_metal

N/A

109,922

geekbench_vulkan

N/A

93,769

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600S

RX 6650 XT

Core Specs

Shading Units

1,792

2,048 +14.3%

Shaders

1,792

2,048 +14.3%

TMUs

112

128 +14.3%

ROPs

64

64 0.0%

Compute Units

28

32 +14.3%

Clocks

Base Clock

1700 MHz

2055 MHz

Boost Clock

2000 MHz

2635 MHz

Game Clock

1881 MHz

2410 MHz

Memory Clock

1750 MHz 14 Gbps effective

2190 MHz 17.5 Gbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

128 bit

Bandwidth

224.0 GB/s

280.3 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

128.0 GPixel/s

168.6 GPixel/s

Texture Rate

224.0 GTexel/s

337.3 GTexel/s

FP32 (TFLOPS)

7.168 TFLOPS

10.79 TFLOPS

FP64 (TFLOPS)

448.0 GFLOPS (1:16)

674.6 GFLOPS (1:16)

FP16 (TFLOPS)

14.34 TFLOPS (2:1)

21.59 TFLOPS (2:1)

AI/RT

RT Cores

28

32 +14.3%

Power

TDP

80 W

176 W

TDP (W)

80

176 +120.0%

Suggested PSU

—

450 W

Power Connectors

None

1x 8-pin

Architecture

Architecture

RDNA 2.0

RDNA 2.0

GPU Name

Navi 23

Navi 23

Generation

Navi Mobile (RX 6000M)

Navi II (RX 6000)

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

IGP

Dual-slot

Outputs

Portable Device Dependent

1x HDMI 2.13x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x8

Other

Launch Price

—

399 USD

Production

End-of-life

End-of-life

Predecessor

Polaris Mobile

Navi

Successor

—

Navi III

View Radeon RX 6600S Details View Radeon RX 6650 XT Details