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

RTX A4000

CORE STATE GA104

VRAM 16 GB

CLOCK SPEED 1560 MHz

TDP 140 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

1,492

2,604

geekbench_metal

99,441

N/A

geekbench_opencl

73,130

121,988

geekbench_vulkan

80,492

111,712

passmark_directx_10

95

126

passmark_directx_11

152

158

passmark_directx_12

51

72

passmark_directx_9

197

240

passmark_g2d

889

1,024

passmark_g3d

15,096

19,459

passmark_gpu_compute

6,554

9,760

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6600

RTX A4000

Core Specs

Shading Units

1,792

6,144 +242.9%

Shaders

1,792

6,144 +242.9%

TMUs

112

192 +71.4%

ROPs

64

96 +50.0%

Compute Units

28

—

SM Count

—

48

Clocks

Base Clock

1626 MHz

735 MHz

Boost Clock

2491 MHz

1560 MHz

Game Clock

2044 MHz

—

Memory Clock

1750 MHz 14 Gbps effective

1750 MHz 14 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

224.0 GB/s

448.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

2 MB

4 MB

L3 Cache

32 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

159.4 GPixel/s

149.8 GPixel/s

Texture Rate

279.0 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

8.928 TFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

558.0 GFLOPS (1:16)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

17.86 TFLOPS (2:1)

19.17 TFLOPS (1:1)

AI/RT

RT Cores

28

48 +71.4%

Tensor Cores

—

192

Power

TDP

132 W

140 W

TDP (W)

132

140 +6.1%

Suggested PSU

300 W

300 W

Power Connectors

1x 8-pin

1x 6-pin

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 23

GA104

Generation

Navi II (RX 6000)

Workstation Ampere (Ax000)

Process Size

7 nm

8 nm

Transistors

11,060 million

17,400 million

Die Size

237 mm²

392 mm²

Foundry

TSMC

Samsung

Density

46.7M / mm²

44.4M / 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

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

Dual-slot

Single-slot

Length

190 mm 7.5 inches

241 mm 9.5 inches

Height

110 mm 4.3 inches

112 mm 4.4 inches

Outputs

1x HDMI 2.13x DisplayPort 1.4a

4x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x8

PCIe 4.0 x16

Other

Launch Price

329 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Quadro Turing

Successor

Navi III

Workstation Ada

View Radeon RX 6600 Details View RTX A4000 Details