NVIDIA GeForce GT 640 vs ATI Radeon X1700 SE

VS

NVIDIA GeForce GT 640 ATI Radeon X1700 SE

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 512MB VRAM Radeon X1700 SE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 4 years and 7 months late

Larger VRAM bandwidth (28.51GB/s vs 16.00GB/s)

384 additional rendering cores

ATI Radeon X1700 SE 's Advantages

Lower TDP (50W vs 65W)

Score

GeForce GT 640

VS

Radeon X1700 SE

Graphics Card

Jun 2012

Release Date

Nov 2007

GeForce 600

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

891 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

-

32

TMUs

8

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

4.000 GPixel/s

28.86 GTexel/s

Texture Rate

4.000 GTexel/s

-

FP16 (half)

-

692.7 GFLOPS

FP32 (float)

-

28.86 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

RV560

GK107-300-A2

GPU Variant

RV560 SE

Kepler

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.27 billion

Transistors

0.33 billion

118 mm²

Die Size

230 mm²

Board Design

65W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

3.0

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