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 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

3dmark_3dmark_steel_nomad_dx12

1,804

4,201

geekbench_metal

108,608

N/A

geekbench_opencl

82,736

117,665

geekbench_vulkan

89,263

153,274

passmark_directx_10

109

N/A

passmark_directx_11

163

N/A

passmark_directx_12

61

N/A

passmark_directx_9

194

N/A

passmark_g2d

912

N/A

passmark_g3d

16,461

N/A

passmark_gpu_compute

7,520

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 XT

RX 7900M

Core Specs

Shading Units

2,048

4,608 +125.0%

Shaders

2,048

4,608 +125.0%

TMUs

128

288 +125.0%

ROPs

64

192 +200.0%

Compute Units

32

72 +125.0%

Clocks

Base Clock

1968 MHz

1825 MHz

Boost Clock

2589 MHz

2090 MHz

Game Clock

2359 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

8 GB

16 GB

VRAM (MB)

8,192

16,384 +100.0%

Memory Type

GDDR6

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

256.0 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

165.7 GPixel/s

401.3 GPixel/s

Texture Rate

331.4 GTexel/s

601.9 GTexel/s

FP32 (TFLOPS)

10.60 TFLOPS

38.52 TFLOPS

FP64 (TFLOPS)

662.8 GFLOPS (1:16)

1,203.8 GFLOPS (1:32)

FP16 (TFLOPS)

21.21 TFLOPS (2:1)

77.05 TFLOPS (2:1)

AI/RT

RT Cores

32

72 +125.0%

Power

TDP

160 W

180 W

TDP (W)

160

180 +12.5%

Suggested PSU

450 W

—

Power Connectors

1x 8-pin

None

Architecture

Architecture

RDNA 2.0

RDNA 3.0

GPU Name

Navi 23

Navi 31

Codename

—

Plum Bonito

Generation

Navi II (RX 6000)

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

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 x16

Other

Launch Price

379 USD

—

Production

End-of-life

Active

Predecessor

Navi

Polaris Mobile

Successor

Navi III

—

View Radeon RX 6600 XT Details View Radeon RX 7900M Details