GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600M

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2416 MHz

TDP 100 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

NVIDIA

GEFORCE

GeForce GT 640M LE

CORE STATE GF108

VRAM 2 GB

CLOCK SPEED —

TDP 32 W

BUS WIDTH 128 bit

ARCHITECTURE Fermi

nm

PROCESS 40 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,495

N/A

geekbench_metal

94,242

N/A

geekbench_opencl

66,290

2,345

geekbench_vulkan

73,740

2,240

passmark_directx_10

87

N/A

passmark_directx_11

136

N/A

passmark_directx_12

52

N/A

passmark_directx_9

184

N/A

passmark_g2d

728

N/A

passmark_g3d

13,929

N/A

passmark_gpu_compute

5,646

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600M

GT 640M LE

Core Specs

Shading Units

1,792

96 -94.6%

Shaders

1,792

96 -94.6%

TMUs

112

16 -85.7%

ROPs

64

4 -93.8%

Compute Units

28

—

SM Count

—

2

Clocks

Base Clock

2068 MHz

—

Boost Clock

2416 MHz

—

GPU Clock

—

753 MHz

Game Clock

2177 MHz

—

Shader Clock

—

1505 MHz

Memory Clock

1750 MHz 14 Gbps effective

785 MHz 3.1 Gbps effective

Memory

Memory Size

8 GB

2 GB

VRAM (MB)

8,192

2,048 -75.0%

Memory Type

GDDR6

GDDR5

Memory Bus

128 bit

128 bit

Bandwidth

224.0 GB/s

50.24 GB/s

Cache

L1 Cache

128 KB per Array

64 KB (per SM)

L2 Cache

2 MB

256 KB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

154.6 GPixel/s

3.012 GPixel/s

Texture Rate

270.6 GTexel/s

12.05 GTexel/s

FP32 (TFLOPS)

8.659 TFLOPS

289.0 GFLOPS

FP64 (TFLOPS)

541.2 GFLOPS (1:16)

24.08 GFLOPS (1:12)

FP16 (TFLOPS)

17.32 TFLOPS (2:1)

—

AI/RT

RT Cores

28

—

Power

TDP

100 W

32 W

TDP (W)

100

32 -68.0%

Power Connectors

None

—

Architecture

Architecture

RDNA 2.0

Fermi

GPU Name

Navi 23

GF108

Generation

Navi Mobile (RX 6000M)

GeForce 600M

Process Size

7 nm

40 nm

Transistors

11,060 million

585 million

Die Size

237 mm²

116 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

5.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

—

OpenCL

2.1

1.1

CUDA

—

2.1

Shader Model

6.8

5.1

Physical

Slot Width

IGP

—

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 4.0 x8

PCIe 2.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Polaris Mobile

GeForce 500M

Successor

—

GeForce 700M

View Radeon RX 6600M Details View GeForce GT 640M LE Details