NVIDIA GeForce GT 640 OEM Rebrand vs AMD Radeon RX 6700

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD Radeon RX 6700

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 10GB VRAM Radeon RX 6700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 175W)

AMD Radeon RX 6700 's Advantages

Released 9 years and 2 months late

Boost Clock2450MHz

More VRAM (10GB vs 1536GB)

Larger VRAM bandwidth (320.0GB/s vs 38.40GB/s)

2160 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon RX 6700 +2620%

11.29 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon RX 6700

Graphics Card

Apr 2012

Release Date

Jun 2021

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1941 MHz

-

Boost Clock

2450 MHz

800 MHz

Memory Clock

2000 MHz

Memory

1536MB

Memory Size

10GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

160bit

38.40GB/s

Bandwidth

320.0GB/s

Render Config

-

Compute Units

36

3

SM Count

-

144

Shading Units

2304

24

TMUs

144

24

ROPs

64

-

RT Cores

36

64 KB (per SM)

L1 Cache

128 KB per Array

384 KB

L2 Cache

3 MB

-

L3 Cache

80 MB

Theoretical Performance

4.320 GPixel/s

Pixel Rate

156.8 GPixel/s

17.28 GTexel/s

Texture Rate

352.8 GTexel/s

-

FP16 (half)

22.58 TFLOPS

414.7 GFLOPS

FP32 (float)

11.29 TFLOPS

34.56 GFLOPS

FP64 (double)

705.6 GFLOPS

Board Design

75W

TDP

175W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

1x 8-pin

Graphics Processor

GF116

GPU Name

Navi 22

GF116-150-A1

GPU Variant

Navi 22 XTL

Fermi 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.17 billion

Transistors

17.2 billion

238 mm²

Die Size

335 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.5

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