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 7900M

CORE STATE Navi 31

VRAM 16 GB

CLOCK SPEED 2090 MHz

TDP 180 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl

66,403

117,665

passmark_directx_10

81

N/A

passmark_directx_11

105

N/A

passmark_directx_12

56

N/A

passmark_directx_9

176

N/A

passmark_g2d

647

N/A

passmark_g3d

12,649

N/A

passmark_gpu_compute

4,879

N/A

3dmark_3dmark_steel_nomad_dx12

N/A

4,201

geekbench_vulkan

N/A

153,274

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600S

RX 7900M

Core Specs

Shading Units

1,792

4,608 +157.1%

Shaders

1,792

4,608 +157.1%

TMUs

112

288 +157.1%

ROPs

64

192 +200.0%

Compute Units

28

72 +157.1%

Clocks

Base Clock

1700 MHz

1825 MHz

Boost Clock

2000 MHz

2090 MHz

Game Clock

1881 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

4 GB

16 GB

VRAM (MB)

4,096

16,384 +300.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

224.0 GB/s

576.0 GB/s

Cache

L1 Cache

128 KB per Array

256 KB per Array

L2 Cache

2 MB

6 MB

L3 Cache

32 MB

64 MB

L0 Cache

32 KB per WGP

64 KB per WGP

Performance

Pixel Rate

128.0 GPixel/s

401.3 GPixel/s

Texture Rate

224.0 GTexel/s

601.9 GTexel/s

FP32 (TFLOPS)

7.168 TFLOPS

38.52 TFLOPS

FP64 (TFLOPS)

448.0 GFLOPS (1:16)

1,203.8 GFLOPS (1:32)

FP16 (TFLOPS)

14.34 TFLOPS (2:1)

77.05 TFLOPS (2:1)

AI/RT

RT Cores

28

72 +157.1%

Power

TDP

80 W

180 W

TDP (W)

80

180 +125.0%

Power Connectors

None

None

Architecture

Architecture

RDNA 2.0

RDNA 3.0

GPU Name

Navi 23

Navi 31

Codename

—

Plum Bonito

Generation

Navi Mobile (RX 6000M)

Navi Mobile (RX 7000M)

Process Size

7 nm

5 nm

Transistors

11,060 million

57,700 million

Die Size

237 mm²

529 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

109.1M / mm²

AMD MCM

GCD Transistors

—

45,400 million

GCD Die Size

—

304.35 mm²

MCD Transistors

—

2,050 million x6

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.1

2.2

Shader Model

6.8

6.8

Physical

Slot Width

IGP

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Production

End-of-life

Active

Predecessor

Polaris Mobile

Polaris Mobile

View Radeon RX 6600S Details View Radeon RX 7900M Details