NVIDIA GeForce GTS 250 vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GTS 250

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 250 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 250 's Advantages

Released 1 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 57.66GB/s)

Lower TDP (150W vs 165W)

ATI Radeon HD 3870 X2 's Advantages

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 250

0.387 TFLOPS

Radeon HD 3870 X2 +36%

0.528 TFLOPS

GeForce GTS 250

VS

Radeon HD 3870 X2

Graphics Card

Mar 2009

Release Date

Jan 2008

GeForce 200

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

64.00GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

16

SM Count

-

128

Shading Units

320

64

TMUs

16

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

11.23 GPixel/s

Pixel Rate

13.20 GPixel/s

44.93 GTexel/s

Texture Rate

13.20 GTexel/s

-

387.1 GFLOPS

FP32 (float)

528.0 GFLOPS

-

FP64 (double)

105.6 GFLOPS

Board Design

150W

TDP

165W

450 W

Suggested PSU

450 W

2x DVI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G92B

GPU Name

R680

G92-428-B1

GPU Variant

R680 XT (215-0708017)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.754 billion

Transistors

0.666 billion

260 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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