NVIDIA GeForce GT 640 vs AMD Radeon RX 7600

VS

NVIDIA GeForce GT 640

AMD Radeon RX 7600

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 8GB VRAM Radeon RX 7600 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 165W)

AMD Radeon RX 7600 's Advantages

Released 10 years and 11 months late

Boost Clock2655MHz

More VRAM (8GB 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 +3038%

21.75 TFLOPS

GeForce GT 640

VS

Radeon RX 7600

Graphics Card

Jun 2012

Release Date

May 2023

GeForce 600

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1720 MHz

-

Boost Clock

2655 MHz

891 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

8GB

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

169.9 GPixel/s

28.86 GTexel/s

Texture Rate

339.8 GTexel/s

-

FP16 (half)

43.50 TFLOPS

692.7 GFLOPS

FP32 (float)

21.75 TFLOPS

28.86 GFLOPS

FP64 (double)

679.7 GFLOPS

Board Design

65W

TDP

165W

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 XL

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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