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 7900 XTX

CORE STATE Navi 31

VRAM 24 GB

CLOCK SPEED 2498 MHz

TDP 355 W

BUS WIDTH 384 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

geekbench_opencl

66,403

189,573

passmark_directx_10

81

166

passmark_directx_11

105

356

passmark_directx_12

56

131

passmark_directx_9

176

330

passmark_g2d

647

1,267

passmark_g3d

12,649

31,238

passmark_gpu_compute

4,879

17,689

3dmark_3dmark_steel_nomad_dx12

N/A

6,841

geekbench_vulkan

N/A

192,597

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600S

RX 7900 XTX

Core Specs

Shading Units

1,792

6,144 +242.9%

Shaders

1,792

6,144 +242.9%

TMUs

112

384 +242.9%

ROPs

64

192 +200.0%

Compute Units

28

96 +242.9%

Clocks

Base Clock

1700 MHz

1929 MHz

Boost Clock

2000 MHz

2498 MHz

Game Clock

1881 MHz

2365 MHz

Shader Clock

—

2269 MHz

Memory Clock

1750 MHz 14 Gbps effective

2500 MHz 20 Gbps effective

Memory

Memory Size

4 GB

24 GB

VRAM (MB)

4,096

24,576 +500.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

384 bit

Bandwidth

224.0 GB/s

960.0 GB/s

Cache

L1 Cache

128 KB per Array

256 KB per Array

L2 Cache

2 MB

6 MB

L3 Cache

32 MB

96 MB

L0 Cache

32 KB per WGP

64 KB per WGP

Performance

Pixel Rate

128.0 GPixel/s

479.6 GPixel/s

Texture Rate

224.0 GTexel/s

959.2 GTexel/s

FP32 (TFLOPS)

7.168 TFLOPS

61.39 TFLOPS

FP64 (TFLOPS)

448.0 GFLOPS (1:16)

1.918 TFLOPS (1:32)

FP16 (TFLOPS)

14.34 TFLOPS (2:1)

122.8 TFLOPS (2:1)

AI/RT

RT Cores

28

96 +242.9%

Matrix Cores

—

192

Power

TDP

80 W

355 W

TDP (W)

80

355 +343.8%

Suggested PSU

—

750 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

RDNA 2.0

RDNA 3.0

GPU Name

Navi 23

Navi 31

Codename

—

Plum Bonito

Generation

Navi Mobile (RX 6000M)

Navi III (RX 7000)

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

Dual-slot

Length

—

287 mm 11.3 inches

Height

—

110 mm 4.3 inches

Outputs

Portable Device Dependent

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Launch Price

—

999 USD

Production

End-of-life

End-of-life

Predecessor

Polaris Mobile

Navi II

Successor

—

Navi IV

View Radeon RX 6600S Details View Radeon RX 7900 XTX Details