NVIDIA GeForce GT 640 vs ATI Radeon X800 GTO AGP

VS

NVIDIA GeForce GT 640

ATI Radeon X800 GTO AGP

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 256MB VRAM Radeon X800 GTO AGP 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

More VRAM (2GB vs 256GB)

384 additional rendering cores

ATI Radeon X800 GTO AGP 's Advantages

Larger VRAM bandwidth (31.36GB/s vs 28.51GB/s)

Lower TDP (49W vs 65W)

Score

GeForce GT 640

VS

Radeon X800 GTO AGP

Graphics Card

Jun 2012

Release Date

Nov 2007

GeForce 600

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

891 MHz

Memory Clock

490 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

31.36GB/s

Render Config

-

384

Shading Units

-

32

TMUs

12

16

ROPs

12

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

4.800 GPixel/s

28.86 GTexel/s

Texture Rate

4.800 GTexel/s

-

692.7 GFLOPS

FP32 (float)

-

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

49W

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

1x Molex

Graphics Processor

GK107

GPU Name

R420

GK107-300-A2

GPU Variant

R420 GTO

Kepler

Architecture

R400

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

1.27 billion

Transistors

0.16 billion

118 mm²

Die Size

281 mm²

Graphics Features

12 (11_0)

DirectX

9.0b (9_2)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

-

Related GPU Comparisons

1

NVIDIA GeForce GT 640 vs AMD Radeon RX 550X

2

NVIDIA GeForce GT 640 vs NVIDIA GeForce 9800 GTX+

3

NVIDIA GeForce GT 640 vs ATI Radeon HD 4650

4

NVIDIA GeForce GT 640 vs AMD FirePro RG220

5

NVIDIA GeForce GT 640 vs AMD FirePro S9150

6

NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 950 OEM

7

NVIDIA GeForce GT 640 vs NVIDIA GeForce 8800 GT Mac Edition

8

NVIDIA GeForce GT 640 vs ATI Radeon X1050 AGP

9

NVIDIA GeForce GT 640 vs NVIDIA P102 100

10

NVIDIA GeForce GT 640 vs ATI Radeon HD 5490

Related News

1

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

2

CXMT Reportedly Achieves 80% Yield in DDR5 Production

3

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

4

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

5

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

6

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

7

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

8

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

9

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

10

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip