ATI Radeon HD 4250 vs NVIDIA GeForce GTX 490

VS

ATI Radeon HD 4250

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4250 and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 365W)

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (164.0GB/s vs 6.336GB/s)

440 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4250

0.048 TFLOPS

GeForce GTX 490 +2329%

1.166 TFLOPS

Radeon HD 4250

VS

GeForce GTX 490

Graphics Card

Feb 2009

Release Date

Unknown

Radeon R600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

854 MHz

Memory

512MB

Memory Size

1536MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

6.336GB/s

Bandwidth

164.0GB/s

Render Config

2

Compute Units

-

SM Count

15

40

Shading Units

480

4

TMUs

60

4

ROPs

48

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

768 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

18.24 GPixel/s

2.376 GTexel/s

Texture Rate

36.48 GTexel/s

-

47.52 GFLOPS

FP32 (float)

1166 GFLOPS

-

FP64 (double)

145.8 GFLOPS

Board Design

25W

TDP

365W

200 W

Suggested PSU

750 W

1x DVI 1x VGA 1x S-Video

Outputs

3x DVI 1x mini-DisplayPort

None

Power Connectors

2x 8-pin

Graphics Processor

RV620

GPU Name

GF100

RV620 LE

GPU Variant

GF100-375-A3

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

3.1 billion

67 mm²

Die Size

529 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

4.1

Shader Model

5.1

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