NVIDIA GeForce GTS 250 vs ATI Radeon HD 4870 X2

VS

NVIDIA GeForce GTS 250

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 250 and 1024MB VRAM Radeon HD 4870 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 7 months late

Lower TDP (150W vs 286W)

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

672 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 250

0.387 TFLOPS

Radeon HD 4870 X2 +210%

1.2 TFLOPS

GeForce GTS 250

VS

Radeon HD 4870 X2

Graphics Card

Mar 2009

Release Date

Aug 2008

GeForce 200

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

64.00GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

10

16

SM Count

-

128

Shading Units

800

64

TMUs

40

16

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

11.23 GPixel/s

Pixel Rate

12.00 GPixel/s

44.93 GTexel/s

Texture Rate

30.00 GTexel/s

-

387.1 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Board Design

150W

TDP

286W

450 W

Suggested PSU

600 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

R700

G92-428-B1

GPU Variant

R700 XT (215-0669045)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.754 billion

Transistors

0.956 billion

260 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

1.1

CUDA

-

4.0

Shader Model

4.1

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