NVIDIA GeForce GTS 250 vs ATI Radeon HD 4830

VS

NVIDIA GeForce GTS 250

ATI Radeon HD 4830

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 250 and 512MB VRAM Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 250 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 57.60GB/s)

ATI Radeon HD 4830 's Advantages

512 additional rendering cores

Lower TDP (95W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTS 250

0.387 TFLOPS

Radeon HD 4830 +90%

0.736 TFLOPS

GeForce GTS 250

VS

Radeon HD 4830

Graphics Card

Mar 2009

Release Date

Oct 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

512MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

64.00GB/s

Bandwidth

57.60GB/s

Render Config

-

Compute Units

8

16

SM Count

-

128

Shading Units

640

64

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

11.23 GPixel/s

Pixel Rate

9.200 GPixel/s

44.93 GTexel/s

Texture Rate

18.40 GTexel/s

-

387.1 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

150W

TDP

95W

450 W

Suggested PSU

250 W

2x DVI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G92B

GPU Name

RV770

G92-428-B1

GPU Variant

RV770 LE (215-0669075)

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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