AMD Radeon RX 6300 vs NVIDIA GeForce GT 640

VS

AMD Radeon RX 6300 NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 6300 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300 's Advantages

Boost Clock2040MHz

Larger VRAM bandwidth (64.00GB/s vs 28.51GB/s)

384 additional rendering cores

Lower TDP (32W vs 65W)

Score

Benchmark

FP32 (float)

Radeon RX 6300 +352%

3.133 TFLOPS

GeForce GT 640

0.693 TFLOPS

Radeon RX 6300

VS

GeForce GT 640

Graphics Card

Unknown

Release Date

Jun 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

2040 MHz

Boost Clock

-

2000 MHz

Memory Clock

891 MHz

Memory

2GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

32bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.51GB/s

Render Config

-

SM Count

-

12

Compute Units

-

768

Shading Units

384

48

TMUs

32

ROPs

16

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

Theoretical Performance

65.28 GPixel/s

Pixel Rate

7.216 GPixel/s

97.92 GTexel/s

Texture Rate

28.86 GTexel/s

6.267 TFLOPS

FP16 (half)

-

3.133 TFLOPS

FP32 (float)

692.7 GFLOPS

195.8 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

Navi 24

GPU Name

GK107

Navi 24 XL

GPU Variant

GK107-300-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.27 billion

107 mm²

Die Size

118 mm²

Board Design

32W

TDP

65W

200 W

Suggested PSU

250 W

2x HDMI 2.1

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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