NVIDIA GeForce GTS 250 vs ATI Radeon HD 4650

VS

NVIDIA GeForce GTS 250

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 250 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 GTS 250 's Advantages

Released 6 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

ATI Radeon HD 4650 's Advantages

192 additional rendering cores

Lower TDP (48W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTS 250

0.387 TFLOPS

Radeon HD 4650

0.384 TFLOPS

GeForce GTS 250

VS

Radeon HD 4650

Graphics Card

Mar 2009

Release Date

Sep 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

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

64.00GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

16

SM Count

-

128

Shading Units

320

64

TMUs

32

16

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

11.23 GPixel/s

Pixel Rate

4.800 GPixel/s

44.93 GTexel/s

Texture Rate

19.20 GTexel/s

-

387.1 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

150W

TDP

48W

450 W

Suggested PSU

200 W

2x DVI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

-

Graphics Processor

G92B

GPU Name

RV730

G92-428-B1

GPU Variant

RV730 PRO (215-0719056)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.754 billion

Transistors

0.514 billion

260 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

1.1

CUDA

-

4.0

Shader Model

4.1

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