GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6600

CORE STATE Navi 23

VRAM 8 GB

CLOCK SPEED 2491 MHz

TDP 132 W

BUS WIDTH 128 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 7 nm

LAUNCH DATE 2021

VS

NVIDIA

GEFORCE

GeForce GTX 870M

CORE STATE GK104

VRAM 3 GB

CLOCK SPEED 967 MHz

TDP 100 W

BUS WIDTH 192 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,492

N/A

geekbench_metal

99,441

9,715

geekbench_opencl

73,130

12,630

geekbench_vulkan

80,492

N/A

passmark_directx_10

95

N/A

passmark_directx_11

152

N/A

passmark_directx_12

51

N/A

passmark_directx_9

197

N/A

passmark_g2d

889

N/A

passmark_g3d

15,096

N/A

passmark_gpu_compute

6,554

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600

GTX 870M

Core Specs

Shading Units

1,792

1,344 -25.0%

Shaders

1,792

1,344 -25.0%

TMUs

112

112 0.0%

ROPs

64

24 -62.5%

Compute Units

28

—

Clocks

Base Clock

1626 MHz

941 MHz

Boost Clock

2491 MHz

967 MHz

Game Clock

2044 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

1250 MHz 5 Gbps effective

Memory

Memory Size

8 GB

3 GB

VRAM (MB)

8,192

3,072 -62.5%

Memory Type

GDDR6

GDDR5

Memory Bus

128 bit

192 bit

Bandwidth

224.0 GB/s

120.0 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

2 MB

384 KB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

159.4 GPixel/s

27.08 GPixel/s

Texture Rate

279.0 GTexel/s

108.3 GTexel/s

FP32 (TFLOPS)

8.928 TFLOPS

2.599 TFLOPS

FP64 (TFLOPS)

558.0 GFLOPS (1:16)

108.3 GFLOPS (1:24)

FP16 (TFLOPS)

17.86 TFLOPS (2:1)

—

AI/RT

RT Cores

28

—

Power

TDP

132 W

100 W

TDP (W)

132

100 -24.2%

Suggested PSU

300 W

—

Power Connectors

1x 8-pin

None

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 23

GK104

Generation

Navi II (RX 6000)

GeForce 800M

Process Size

7 nm

28 nm

Transistors

11,060 million

3,540 million

Die Size

237 mm²

294 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

12.0M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

2.1

3.0

CUDA

—

3.0

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Dual-slot

MXM Module

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

MXM-B (3.0)

Other

Launch Price

329 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 700M

Successor

Navi III

GeForce 900M

View Radeon RX 6600 Details View GeForce GTX 870M Details