ATI Radeon HD 2600 PRO AGP vs NVIDIA GeForce GT 640 OEM

VS

ATI Radeon HD 2600 PRO AGP

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 512MB VRAM ATI Radeon HD 2600 PRO AGP and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 PRO AGP 's Advantages

Lower TDP (35W vs 50W)

NVIDIA GeForce GT 640 OEM 's Advantages

Released 4 years and 10 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.51GB/s vs 12.67GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2600 PRO AGP

0.143 TFLOPS

GeForce GT 640 OEM +327%

0.612 TFLOPS

ATI Radeon HD 2600 PRO AGP

VS

GeForce GT 640 OEM

Graphics Card

Jun 2007

Release Date

Apr 2012

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

396 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

DDR3

128bit

Memory Bus

128bit

12.67GB/s

Bandwidth

28.51GB/s

Render Config

3

Compute Units

-

120

Shading Units

384

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

6.376 GPixel/s

4.752 GTexel/s

Texture Rate

25.50 GTexel/s

-

142.6 GFLOPS

FP32 (float)

612.1 GFLOPS

-

FP64 (double)

25.50 GFLOPS

Board Design

35W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

GK107

RV630 PRO (215CDBBKA15FG)

GPU Variant

GK107-320-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

1.27 billion

153 mm²

Die Size

118 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.0

Shader Model

5.1

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