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 7800M

CORE STATE Navi 32

VRAM 12 GB

CLOCK SPEED 2335 MHz

TDP 180 W

BUS WIDTH 192 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2024

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

176

3,073

geekbench_opencl

32,977

121,647

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

RX 7800M

Core Specs

Shading Units

768

3,840 +400.0%

Shaders

768

3,840 +400.0%

TMUs

48

240 +400.0%

ROPs

32

96 +200.0%

Compute Units

12

60 +400.0%

Clocks

Base Clock

1923 MHz

1295 MHz

Boost Clock

2321 MHz

2335 MHz

Game Clock

2039 MHz

2145 MHz

Memory Clock

2000 MHz 16 Gbps effective

2250 MHz 18 Gbps effective

Memory

Memory Size

4 GB

12 GB

VRAM (MB)

4,096

12,288 +200.0%

Memory Type

GDDR6

GDDR6

Memory Bus

64 bit

192 bit

Bandwidth

128.0 GB/s

432.0 GB/s

Cache

L1 Cache

128 KB per Array

128 KB per Array

L2 Cache

1024 KB

4 MB

L3 Cache

16 MB

48 MB

L0 Cache

32 KB per WGP

32 KB per WGP

Performance

Pixel Rate

74.27 GPixel/s

224.2 GPixel/s

Texture Rate

111.4 GTexel/s

560.4 GTexel/s

FP32 (TFLOPS)

3.565 TFLOPS

35.87 TFLOPS

FP64 (TFLOPS)

222.8 GFLOPS (1:16)

1,120.8 GFLOPS (1:32)

FP16 (TFLOPS)

7.130 TFLOPS (2:1)

71.73 TFLOPS (2:1)

AI/RT

RT Cores

12

60 +400.0%

Power

TDP

53 W

180 W

TDP (W)

53

180 +239.6%

Suggested PSU

250 W

—

Power Connectors

None

None

Architecture

Architecture

RDNA 2.0

RDNA 3.0

GPU Name

Navi 24

Navi 32

Codename

—

Wheat Nas

Generation

Navi II (RX 6000)

Navi Mobile (RX 7000M)

Process Size

6 nm

5 nm

Transistors

5,400 million

28,100 million

Die Size

107 mm²

346 mm²

Foundry

TSMC

TSMC

Density

50.5M / mm²

81.2M / 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

2.2

Shader Model

6.8

6.8

Physical

Slot Width

Single-slot

IGP

Outputs

1x HDMI 2.11x DisplayPort 1.4a

Portable Device Dependent

Bus Interface

PCIe 4.0 x4

PCIe 4.0 x16

Other

Launch Price

159 USD

—

Production

End-of-life

Active

Predecessor

Navi

Polaris Mobile

Successor

Navi III

—

View Radeon RX 6400 Details View Radeon RX 7800M Details