NVIDIA GeForce GT 640 OEM vs AMD Radeon RX 6950 XT

VS

NVIDIA GeForce GT 640 OEM AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 OEM and 16GB VRAM Radeon RX 6950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 335W)

AMD Radeon RX 6950 XT 's Advantages

Released 10 years and 1 months late

Boost Clock2310MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 28.51GB/s)

4736 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM

0.612 TFLOPS

Radeon RX 6950 XT +3764%

23.65 TFLOPS

GeForce GT 640 OEM

VS

Radeon RX 6950 XT

Graphics Card

Apr 2012

Release Date

May 2022

GeForce 600

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1860 MHz

-

Boost Clock

2310 MHz

891 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

Compute Units

80

384

Shading Units

5120

32

TMUs

320

16

ROPs

128

-

Tensor Cores

-

RT Cores

80

16 KB (per SMX)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

Theoretical Performance

6.376 GPixel/s

Pixel Rate

295.7 GPixel/s

25.50 GTexel/s

Texture Rate

739.2 GTexel/s

-

FP16 (half)

47.31 TFLOPS

612.1 GFLOPS

FP32 (float)

23.65 TFLOPS

25.50 GFLOPS

FP64 (double)

1478 GFLOPS

Graphics Processor

GK107

GPU Name

Navi 21

GK107-320-A2

GPU Variant

Navi 21 KXTX (215-121000289)

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.27 billion

Transistors

26.8 billion

118 mm²

Die Size

520 mm²

Board Design

50W

TDP

335W

250 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

None

Power Connectors

2x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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