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

Tesla K20s

CORE STATE GK110

VRAM 5 GB

CLOCK SPEED —

TDP 225 W

BUS WIDTH 320 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2013

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

Tesla K20s

Core Specs

Shading Units

768

2,496 +225.0%

Shaders

768

2,496 +225.0%

TMUs

48

208 +333.3%

ROPs

32

40 +25.0%

Compute Units

12

—

Clocks

Base Clock

1923 MHz

—

Boost Clock

2321 MHz

—

GPU Clock

—

575 MHz

Game Clock

2039 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

1300 MHz 5.2 Gbps effective

Memory

Memory Size

4 GB

5 GB

VRAM (MB)

4,096

5,120 +25.0%

Memory Type

GDDR6

GDDR5

Memory Bus

64 bit

320 bit

Bandwidth

128.0 GB/s

208.0 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

1024 KB

1280 KB

L3 Cache

16 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

74.27 GPixel/s

29.90 GPixel/s

Texture Rate

111.4 GTexel/s

119.6 GTexel/s

FP32 (TFLOPS)

3.565 TFLOPS

2.870 TFLOPS

FP64 (TFLOPS)

222.8 GFLOPS (1:16)

956.8 GFLOPS (1:3)

FP16 (TFLOPS)

7.130 TFLOPS (2:1)

—

AI/RT

RT Cores

12

—

Power

TDP

53 W

225 W

TDP (W)

53

225 +324.5%

Suggested PSU

250 W

550 W

Power Connectors

None

—

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 24

GK110

Generation

Navi II (RX 6000)

Tesla Kepler (Kxx)

Process Size

6 nm

28 nm

Transistors

5,400 million

7,080 million

Die Size

107 mm²

561 mm²

Foundry

TSMC

TSMC

Density

50.5M / mm²

12.6M / mm²

API Support

DirectX

12 Ultimate (12_2)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.4

1.2.175

OpenCL

2.2

3.0

CUDA

—

3.5

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Single-slot

Dual-slot

Length

—

267 mm 10.5 inches

Outputs

1x HDMI 2.11x DisplayPort 1.4a

No outputs

Bus Interface

PCIe 4.0 x4

PCIe 2.0 x16

Other

Launch Price

159 USD

3,199 USD

Production

End-of-life

End-of-life

Predecessor

Navi

Tesla Fermi

Successor

Navi III

Tesla Maxwell

View Radeon RX 6400 Details View Tesla K20s Details