NVIDIA GeForce GT 640 vs AMD Radeon HD 8570 OEM Rebrand

VS

NVIDIA GeForce GT 640

AMD Radeon HD 8570 OEM Rebrand

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM Radeon HD 8570 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.51GB/s vs 25.60GB/s)

AMD Radeon HD 8570 OEM Rebrand 's Advantages

Released 1 years and 1 months late

96 additional rendering cores

Lower TDP (60W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GT 640 +11%

0.693 TFLOPS

Radeon HD 8570 OEM Rebrand

0.624 TFLOPS

GeForce GT 640

VS

Radeon HD 8570 OEM Rebrand

Graphics Card

Jun 2012

Release Date

Jul 2013

GeForce 600

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

5.200 GPixel/s

28.86 GTexel/s

Texture Rate

15.60 GTexel/s

-

692.7 GFLOPS

FP32 (float)

624.0 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

60W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

-

Graphics Processor

GK107

GPU Name

Turks

GK107-300-A2

GPU Variant

Turks PRO (215-0803002)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.716 billion

118 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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