NVIDIA GeForce GTX 260 vs ATI Radeon HD 4850 X2

VS

NVIDIA GeForce GTX 260

ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 and 512MB VRAM Radeon HD 4850 X2 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 512GB)

Larger VRAM bandwidth (111.9GB/s vs 63.68GB/s)

Lower TDP (182W vs 250W)

ATI Radeon HD 4850 X2 's Advantages

608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 260

0.477 TFLOPS

Radeon HD 4850 X2 +109%

1 TFLOPS

GeForce GTX 260

VS

Radeon HD 4850 X2

Graphics Card

Jun 2008

Release Date

Nov 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

995 MHz

Memory

896MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

448bit

Memory Bus

256bit

111.9GB/s

Bandwidth

63.68GB/s

Render Config

-

Compute Units

10

24

SM Count

-

192

Shading Units

800

64

TMUs

40

28

ROPs

16

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

256 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

10.00 GPixel/s

36.86 GTexel/s

Texture Rate

25.00 GTexel/s

-

476.9 GFLOPS

FP32 (float)

1000 GFLOPS

59.62 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

182W

TDP

250W

450 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

4x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GT200

GPU Name

R700

G200-100-A2

GPU Variant

R700 PRO (215-0669065)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

1.4 billion

Transistors

0.956 billion

576 mm²

Die Size

256 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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