NVIDIA GeForce GTX 645 OEM vs ATI Radeon HD 2400 XT

VS

NVIDIA GeForce GTX 645 OEM ATI Radeon HD 2400 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 256MB VRAM ATI Radeon HD 2400 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 5 years and 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 8.000GB/s)

536 additional rendering cores

ATI Radeon HD 2400 XT 's Advantages

Lower TDP (25W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +1725%

0.949 TFLOPS

ATI Radeon HD 2400 XT

0.052 TFLOPS

GeForce GTX 645 OEM

VS

ATI Radeon HD 2400 XT

Graphics Card

Apr 2013

Release Date

Jun 2007

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

Compute Units

2

576

Shading Units

40

48

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

9.888 GPixel/s

Pixel Rate

2.600 GPixel/s

39.55 GTexel/s

Texture Rate

2.600 GTexel/s

-

FP16 (half)

-

949.2 GFLOPS

FP32 (float)

52.00 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Graphics Processor

GK106

GPU Name

RV610

GK106-200-A1

GPU Variant

RV610 PRO (215LKCAKA14FG)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.54 billion

Transistors

0.18 billion

221 mm²

Die Size

85 mm²

Board Design

65W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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