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

VS

ATI Radeon HD 2600 PRO AGP

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 512MB VRAM ATI Radeon HD 2600 PRO AGP and 1536MB VRAM GeForce GT 640 OEM Rebrand 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 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 4 years and 10 months late

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (38.40GB/s vs 12.67GB/s)

24 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2600 PRO AGP

0.143 TFLOPS

GeForce GT 640 OEM Rebrand +190%

0.415 TFLOPS

ATI Radeon HD 2600 PRO AGP

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Jun 2007

Release Date

Apr 2012

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1536MB

DDR2

Memory Type

DDR3

128bit

Memory Bus

192bit

12.67GB/s

Bandwidth

38.40GB/s

Render Config

3

Compute Units

-

SM Count

3

120

Shading Units

144

8

TMUs

24

4

ROPs

24

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

384 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

4.320 GPixel/s

4.752 GTexel/s

Texture Rate

17.28 GTexel/s

-

142.6 GFLOPS

FP32 (float)

414.7 GFLOPS

-

FP64 (double)

34.56 GFLOPS

Board Design

35W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

GF116

RV630 PRO (215CDBBKA15FG)

GPU Variant

GF116-150-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

1.17 billion

153 mm²

Die Size

238 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.0

Shader Model

5.1

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