AMD Radeon RX 6500 XT vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon RX 6500 XT

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6500 XT and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500 XT 's Advantages

Released 9 years and 9 months late

Boost Clock2815MHz

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (143.9GB/s vs 38.40GB/s)

880 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 107W)

Score

Benchmark

FP32 (float)

Radeon RX 6500 XT +1289%

5.765 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon RX 6500 XT

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Jan 2022

Release Date

Apr 2012

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2815 MHz

Boost Clock

-

2248 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1536MB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

192bit

143.9GB/s

Bandwidth

38.40GB/s

Render Config

16

Compute Units

-

SM Count

3

1024

Shading Units

144

64

TMUs

24

32

ROPs

24

-

16

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

384 KB

16 MB

L3 Cache

-

Theoretical Performance

90.08 GPixel/s

Pixel Rate

4.320 GPixel/s

180.2 GTexel/s

Texture Rate

17.28 GTexel/s

11.53 TFLOPS

FP16 (half)

-

5.765 TFLOPS

FP32 (float)

414.7 GFLOPS

360.3 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

107W

TDP

75W

300 W

Suggested PSU

250 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

GF116

Navi 24 XT (215-135000006)

GPU Variant

GF116-150-A1

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

1.17 billion

107 mm²

Die Size

238 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.6

Shader Model

5.1

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