GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600 LE

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2495 MHz

TDP 132 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2023

VS

NVIDIA

GEFORCE

GeForce RTX 5090 Mobile

CORE STATE GB203

VRAM 24 GB

CLOCK SPEED 1515 MHz

TDP 95 W

BUS WIDTH 256 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_opencl

72,784

201,834

geekbench_vulkan

76,001

198,405

3dmark_3dmark_steel_nomad_dx12

N/A

5,871

passmark_directx_10

N/A

183

passmark_directx_11

N/A

269

passmark_directx_12

N/A

138

passmark_directx_9

N/A

324

passmark_g2d

N/A

1,057

passmark_g3d

N/A

30,034

passmark_gpu_compute

N/A

13,401

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600 LE

RTX 5090 Mobile

Core Specs

Shading Units

1,792

10,496 +485.7%

Shaders

1,792

10,496 +485.7%

TMUs

112

328 +192.9%

ROPs

64

112 +75.0%

Compute Units

28

—

SM Count

—

82

Clocks

Base Clock

1626 MHz

990 MHz

Boost Clock

2495 MHz

1515 MHz

Game Clock

2045 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

1750 MHz 28 Gbps effective

Memory

Memory Size

8 GB

24 GB

VRAM (MB)

8,192

24,576 +200.0%

Memory Type

GDDR6

GDDR7

Memory Bus

128 bit

256 bit

Bandwidth

224.0 GB/s

896.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

64 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

159.7 GPixel/s

169.7 GPixel/s

Texture Rate

279.4 GTexel/s

496.9 GTexel/s

FP32 (TFLOPS)

8.942 TFLOPS

31.80 TFLOPS

FP64 (TFLOPS)

558.9 GFLOPS (1:16)

496.9 GFLOPS (1:64)

FP16 (TFLOPS)

17.88 TFLOPS (2:1)

31.80 TFLOPS (1:1)

AI/RT

RT Cores

28

82 +192.9%

Tensor Cores

—

328

Power

TDP

132 W

95 W

TDP (W)

132

95 -28.0%

Suggested PSU

300 W

—

Power Connectors

1x 8-pin

None

Architecture

Architecture

RDNA 2.0

Blackwell 2.0

GPU Name

Navi 23

GB203

Generation

Navi II (RX 6000)

GeForce 50 Mobile

Process Size

7 nm

5 nm

Transistors

11,060 million

45,600 million

Die Size

237 mm²

378 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

120.6M / 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

3.0

CUDA

—

12.0

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 5.0 x16

Other

Production

Active

Active

Predecessor

Navi

GeForce 40 Mobile

Successor

Navi III

—

View Radeon RX 6600 LE Details View GeForce RTX 5090 Mobile Details