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

A

AMD

RADEON

Radeon RX Vega 56

CORE STATE Vega 10

VRAM 8 GB

CLOCK SPEED 1471 MHz

TDP 210 W

BUS WIDTH 2048 bit

ARCHITECTURE GCN 5.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

176

1,501

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

geekbench_metal

N/A

73,512

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6400

RX Vega 56

Core Specs

Shading Units

768

3,584 +366.7%

Shaders

768

3,584 +366.7%

TMUs

48

224 +366.7%

ROPs

32

64 +100.0%

Compute Units

12

56 +366.7%

Clocks

Base Clock

1923 MHz

1156 MHz

Boost Clock

2321 MHz

1471 MHz

Game Clock

2039 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

800 MHz 1600 Mbps effective

Memory

Memory Size

4 GB

8 GB

VRAM (MB)

4,096

8,192 +100.0%

Memory Type

GDDR6

HBM2

Memory Bus

64 bit

2048 bit

Bandwidth

128.0 GB/s

409.6 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per CU)

L2 Cache

1024 KB

4 MB

L3 Cache

16 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

74.27 GPixel/s

94.14 GPixel/s

Texture Rate

111.4 GTexel/s

329.5 GTexel/s

FP32 (TFLOPS)

3.565 TFLOPS

10.54 TFLOPS

FP64 (TFLOPS)

222.8 GFLOPS (1:16)

659.0 GFLOPS (1:16)

FP16 (TFLOPS)

7.130 TFLOPS (2:1)

21.09 TFLOPS (2:1)

AI/RT

RT Cores

12

—

Power

TDP

53 W

210 W

TDP (W)

53

210 +296.2%

Suggested PSU

250 W

550 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

RDNA 2.0

GCN 5.0

GPU Name

Navi 24

Vega 10

Generation

Navi II (RX 6000)

Vega (RX Vega)

Process Size

6 nm

14 nm

Transistors

5,400 million

12,500 million

Die Size

107 mm²

495 mm²

Foundry

TSMC

GlobalFoundries

Density

50.5M / mm²

25.3M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (12_1)

OpenGL

4.6

4.6

Vulkan

1.4

1.3

OpenCL

2.2

2.1

Shader Model

6.8

6.7

Physical

Slot Width

Single-slot

Dual-slot

Length

—

280 mm 11 inches

Height

—

111 mm 4.4 inches

Outputs

1x HDMI 2.11x DisplayPort 1.4a

1x HDMI 2.0b3x DisplayPort 1.4a

Bus Interface

PCIe 4.0 x4

PCIe 3.0 x16

Other

Launch Price

159 USD

399 USD

Production

End-of-life

End-of-life

Predecessor

Navi

Polaris

Successor

Navi III

Navi

View Radeon RX 6400 Details View Radeon RX Vega 56 Details