NVIDIA GeForce GT 640 vs AMD Radeon RX 7600 XT

VS

NVIDIA GeForce GT 640

AMD Radeon RX 7600 XT

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 16GB VRAM Radeon RX 7600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 190W)

AMD Radeon RX 7600 XT 's Advantages

Released 11 years and 7 months late

Boost Clock2755MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 28.51GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon RX 7600 XT +3156%

22.57 TFLOPS

Blender

GeForce GT 640

32

Radeon RX 7600 XT +4034%

1323

GeForce GT 640

VS

Radeon RX 7600 XT

Graphics Card

Jun 2012

Release Date

Jan 2024

GeForce 600

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1980 MHz

-

Boost Clock

2755 MHz

891 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

384

Shading Units

2048

32

TMUs

128

16

ROPs

64

-

RT Cores

32

16 KB (per SMX)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

7.216 GPixel/s

Pixel Rate

176.3 GPixel/s

28.86 GTexel/s

Texture Rate

352.6 GTexel/s

-

FP16 (half)

45.14 TFLOPS

692.7 GFLOPS

FP32 (float)

22.57 TFLOPS

28.86 GFLOPS

FP64 (double)

705.3 GFLOPS

Board Design

65W

TDP

190W

250 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

None

Power Connectors

1x 8-pin

Graphics Processor

GK107

GPU Name

Navi 33

GK107-300-A2

GPU Variant

Navi 33 XT (215-163000047)

Kepler

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

1.27 billion

Transistors

13.3 billion

118 mm²

Die Size

204 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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