GPU Comparison

A

AMD

RADEON

AMD Radeon RX 6400

CORE STATE Navi 24

VRAM 4 GB

CLOCK SPEED 2321 MHz

TDP 53 W

BUS WIDTH 64 bit

ARCHITECTURE RDNA 2.0

nm

PROCESS 6 nm

LAUNCH DATE 2022

VS

NVIDIA

GEFORCE

A2 PCIe

CORE STATE GA107

VRAM 16 GB

CLOCK SPEED 1770 MHz

TDP 60 W

BUS WIDTH 128 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

176

N/A

geekbench_opencl

32,977

N/A

geekbench_vulkan

38,040

N/A

passmark_directx_10

54

N/A

passmark_directx_11

70

N/A

passmark_directx_12

30

N/A

passmark_directx_9

93

N/A

passmark_g2d

722

N/A

passmark_g3d

7,673

N/A

passmark_gpu_compute

2,812

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6400

A2 PCIe

Core Specs

Shading Units

768

1,280 +66.7%

Shaders

768

1,280 +66.7%

TMUs

48

40 -16.7%

ROPs

32

32 0.0%

Compute Units

12

—

SM Count

—

10

Clocks

Base Clock

1923 MHz

1440 MHz

Boost Clock

2321 MHz

1770 MHz

Game Clock

2039 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1563 MHz 12.5 Gbps effective

Memory

Memory Size

4 GB

16 GB

VRAM (MB)

4,096

16,384 +300.0%

Memory Type

GDDR6

GDDR6

Memory Bus

64 bit

128 bit

Bandwidth

128.0 GB/s

200.1 GB/s

Cache

L1 Cache

128 KB per Array

128 KB (per SM)

L2 Cache

1024 KB

2 MB

L3 Cache

16 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

74.27 GPixel/s

56.64 GPixel/s

Texture Rate

111.4 GTexel/s

70.80 GTexel/s

FP32 (TFLOPS)

3.565 TFLOPS

4.531 TFLOPS

FP64 (TFLOPS)

222.8 GFLOPS (1:16)

141.6 GFLOPS (1:32)

FP16 (TFLOPS)

7.130 TFLOPS (2:1)

4.531 TFLOPS (1:1)

AI/RT

RT Cores

12

10 -16.7%

Tensor Cores

—

40

Power

TDP

53 W

60 W

TDP (W)

53

60 +13.2%

Suggested PSU

250 W

250 W

Power Connectors

None

None

Architecture

Architecture

RDNA 2.0

Ampere

GPU Name

Navi 24

GA107

Generation

Navi II (RX 6000)

Server Ampere (Axx)

Process Size

6 nm

8 nm

Transistors

5,400 million

8,700 million

Die Size

107 mm²

200 mm²

Foundry

TSMC

Samsung

Density

50.5M / mm²

43.5M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.4

1.4

OpenCL

2.2

3.0

CUDA

—

8.6

Shader Model

6.8

6.8

Physical

Slot Width

Single-slot

Single-slot

Length

—

168 mm 6.6 inches

Height

—

69 mm 2.7 inches

Outputs

1x HDMI 2.11x DisplayPort 1.4a

No outputs

Bus Interface

PCIe 4.0 x4

PCIe 4.0 x8

Other

Launch Price

159 USD

—

Production

End-of-life

End-of-life

Predecessor

Navi

Tesla Turing

Successor

Navi III

Server Ada

View Radeon RX 6400 Details View A2 PCIe Details