NVIDIA GeForce GTX 260 vs ATI Radeon HD 4650

VS

NVIDIA GeForce GTX 260

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 260 's Advantages

More VRAM (896GB vs 256GB)

Larger VRAM bandwidth (111.9GB/s vs 22.40GB/s)

ATI Radeon HD 4650 's Advantages

128 additional rendering cores

Lower TDP (48W vs 182W)

Score

Benchmark

FP32 (float)

GeForce GTX 260 +24%

0.477 TFLOPS

Radeon HD 4650

0.384 TFLOPS

GeForce GTX 260

VS

Radeon HD 4650

Graphics Card

Jun 2008

Release Date

Sep 2008

GeForce 200

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

999 MHz

Memory Clock

700 MHz

Memory

896MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

448bit

Memory Bus

128bit

111.9GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

24

SM Count

-

192

Shading Units

320

64

TMUs

32

28

ROPs

8

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

128 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

4.800 GPixel/s

36.86 GTexel/s

Texture Rate

19.20 GTexel/s

-

476.9 GFLOPS

FP32 (float)

384.0 GFLOPS

59.62 GFLOPS

FP64 (double)

-

Board Design

182W

TDP

48W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

-

Graphics Processor

GT200

GPU Name

RV730

G200-100-A2

GPU Variant

RV730 PRO (215-0719056)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

1.4 billion

Transistors

0.514 billion

576 mm²

Die Size

146 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.1

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