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

GeForce GT 640

CORE STATE GK107

VRAM 2 GB

CLOCK SPEED —

TDP 65 W

BUS WIDTH 128 bit

ARCHITECTURE Kepler

nm

PROCESS 28 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

176

N/A

geekbench_opencl

32,977

3,721

geekbench_vulkan

38,040

3,717

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

1,808

DETAILED SPECIFICATIONS

SPECIFICATION

RX 6400

GT 640

Core Specs

Shading Units

768

384 -50.0%

Shaders

768

384 -50.0%

TMUs

48

32 -33.3%

ROPs

32

16 -50.0%

Compute Units

12

—

Clocks

Base Clock

1923 MHz

—

Boost Clock

2321 MHz

—

GPU Clock

—

902 MHz

Game Clock

2039 MHz

—

Memory Clock

2000 MHz 16 Gbps effective

891 MHz 1782 Mbps effective

Memory

Memory Size

4 GB

2 GB

VRAM (MB)

4,096

2,048 -50.0%

Memory Type

GDDR6

DDR3

Memory Bus

64 bit

128 bit

Bandwidth

128.0 GB/s

28.51 GB/s

Cache

L1 Cache

128 KB per Array

16 KB (per SMX)

L2 Cache

1024 KB

256 KB

L3 Cache

16 MB

—

L0 Cache

32 KB per WGP

—

Performance

Pixel Rate

74.27 GPixel/s

7.216 GPixel/s

Texture Rate

111.4 GTexel/s

28.86 GTexel/s

FP32 (TFLOPS)

3.565 TFLOPS

692.7 GFLOPS

FP64 (TFLOPS)

222.8 GFLOPS (1:16)

28.86 GFLOPS (1:24)

FP16 (TFLOPS)

7.130 TFLOPS (2:1)

—

AI/RT

RT Cores

12

—

Power

TDP

53 W

65 W

TDP (W)

53

65 +22.6%

Suggested PSU

250 W

250 W

Power Connectors

None

None

Architecture

Architecture

RDNA 2.0

Kepler

GPU Name

Navi 24

GK107

Generation

Navi II (RX 6000)

GeForce 600

Process Size

6 nm

28 nm

Transistors

5,400 million

1,270 million

Die Size

107 mm²

118 mm²

Foundry

TSMC

TSMC

Density

50.5M / mm²

10.8M / 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

—

3.0

Shader Model

6.8

6.5 (5.1)

Physical

Slot Width

Single-slot

Single-slot

Length

—

145 mm 5.7 inches

Outputs

1x HDMI 2.11x DisplayPort 1.4a

1x DVI1x HDMI 1.4a1x DisplayPort 1.2

Bus Interface

PCIe 4.0 x4

PCIe 3.0 x16

Other

Launch Price

159 USD

99 USD

Production

End-of-life

End-of-life

Predecessor

Navi

GeForce 500

Successor

Navi III

GeForce 700

View Radeon RX 6400 Details View GeForce GT 640 Details