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 780 Rev. 2

CORE STATE GK110B

VRAM 3 GB

CLOCK SPEED 902 MHz

TDP 250 W

BUS WIDTH 384 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2013

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,492

N/A

geekbench_metal

99,441

N/A

geekbench_opencl

73,130

N/A

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 780 Rev. 2

Core Specs

Shading Units

1,792

2,304 +28.6%

Shaders

1,792

2,304 +28.6%

TMUs

112

192 +71.4%

ROPs

64

48 -25.0%

Compute Units

28

—

Clocks

Base Clock

1626 MHz

863 MHz

Boost Clock

2491 MHz

902 MHz

Game Clock

2044 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

1502 MHz 6 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

384 bit

Bandwidth

224.0 GB/s

288.4 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

2 MB

1536 KB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

159.4 GPixel/s

43.30 GPixel/s

Texture Rate

279.0 GTexel/s

173.2 GTexel/s

FP32 (TFLOPS)

8.928 TFLOPS

4.156 TFLOPS

FP64 (TFLOPS)

558.0 GFLOPS (1:16)

173.2 GFLOPS (1:24)

FP16 (TFLOPS)

17.86 TFLOPS (2:1)

—

AI/RT

RT Cores

28

—

Power

TDP

132 W

250 W

TDP (W)

132

250 +89.4%

Suggested PSU

300 W

600 W

Power Connectors

1x 8-pin

1x 6-pin + 1x 8-pin

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 23

GK110B

Generation

Navi II (RX 6000)

GeForce 700

Process Size

7 nm

28 nm

Transistors

11,060 million

7,080 million

Die Size

237 mm²

561 mm²

Foundry

TSMC

TSMC

Density

46.7M / mm²

12.6M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

2.1

3.0

CUDA

—

3.5

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Dual-slot

Dual-slot

Length

190 mm 7.5 inches

267 mm 10.5 inches

Height

110 mm 4.3 inches

111 mm 4.4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

2x DVI1x HDMI 1.4a1x DisplayPort 1.2

Bus Interface

PCIe 4.0 x8

PCIe 3.0 x16

Other

Launch Price

329 USD

649 USD

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 600

Successor

Navi III

GeForce 900

View Radeon RX 6600 Details View GeForce GTX 780 Rev. 2 Details