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

B200

CORE STATE GB100

VRAM 90 GB

CLOCK SPEED 1965 MHz

TDP 1000 W

BUS WIDTH 4096 bit

ARCHITECTURE Blackwell

nm

PROCESS 5 nm

LAUNCH DATE —

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

176

N/A

geekbench_opencl

32,977

345,482

geekbench_vulkan

16,372

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

B200

Core Specs

Shading Units

768

18,944 +2366.7%

Shaders

768

18,944 +2366.7%

TMUs

48

592 +1133.3%

ROPs

32

24 -25.0%

Compute Units

12

—

SM Count

—

148

Clocks

Base Clock

1923 MHz

700 MHz

Boost Clock

2321 MHz

1965 MHz

Game Clock

2039 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

2000 MHz 8 Gbps effective

Memory

Memory Size

4 GB

90 GB

VRAM (MB)

4,096

92,160 +2150.0%

Memory Type

GDDR6

HBM3e

Memory Bus

64 bit

4096 bit

Bandwidth

128.0 GB/s

4.10 TB/s

Cache

L1 Cache

128 KB per Array

256 KB (per SM)

L2 Cache

1024 KB

50 MB

L3 Cache

16 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

74.27 GPixel/s

47.16 GPixel/s

Texture Rate

111.4 GTexel/s

1,163.3 GTexel/s

FP32 (TFLOPS)

3.565 TFLOPS

74.45 TFLOPS

FP64 (TFLOPS)

222.8 GFLOPS (1:16)

37.22 TFLOPS (1:2)

FP16 (TFLOPS)

7.130 TFLOPS (2:1)

1,191.2 TFLOPS (16:1)

AI/RT

RT Cores

12

—

Tensor Cores

—

592

Power

TDP

53 W

1000 W

TDP (W)

53

1,000 +1786.8%

Suggested PSU

250 W

1400 W

Power Connectors

None

—

Architecture

Architecture

RDNA 2.0

Blackwell

GPU Name

Navi 24

GB100

Generation

Navi II (RX 6000)

Server Blackwell (Bxx)

Process Size

6 nm

5 nm

Transistors

5,400 million

104,000 million

Die Size

107 mm²

—

Foundry

TSMC

TSMC

Density

50.5M / mm²

—

API Support

DirectX

12 Ultimate (12_2)

—

OpenGL

4.6

—

Vulkan

1.4

—

OpenCL

2.2

3.0

CUDA

—

10.0

Shader Model

6.8

—

Physical

Slot Width

Single-slot

SXM Module

Outputs

1x HDMI 2.11x DisplayPort 1.4a

No outputs

Bus Interface

PCIe 4.0 x4

PCIe 5.0 x16

Other

Launch Price

159 USD

—

Production

End-of-life

Active

Predecessor

Navi

Server Hopper

Successor

Navi III

Server Rubin

View Radeon RX 6400 Details View B200 Details