NVIDIA GeForce GTX 490 vs ATI Radeon HD 3850 X2

VS

NVIDIA GeForce GTX 490

ATI Radeon HD 3850 X2

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (164.0GB/s vs 52.99GB/s)

160 additional rendering cores

ATI Radeon HD 3850 X2 's Advantages

Lower TDP (140W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +172%

1.166 TFLOPS

Radeon HD 3850 X2

0.428 TFLOPS

GeForce GTX 490

VS

Radeon HD 3850 X2

Graphics Card

Unknown

Release Date

Apr 2008

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

854 MHz

Memory Clock

828 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

164.0GB/s

Bandwidth

52.99GB/s

Render Config

-

Compute Units

4

15

SM Count

-

480

Shading Units

320

60

TMUs

16

48

ROPs

16

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

256 KB

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

10.70 GPixel/s

36.48 GTexel/s

Texture Rate

10.70 GTexel/s

-

1166 GFLOPS

FP32 (float)

428.2 GFLOPS

145.8 GFLOPS

FP64 (double)

85.63 GFLOPS

Board Design

365W

TDP

140W

750 W

Suggested PSU

300 W

3x DVI 1x mini-DisplayPort

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

-

Graphics Processor

GF100

GPU Name

RV670

GF100-375-A3

GPU Variant

RV670 PRO (215-0708003)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3.1 billion

Transistors

0.666 billion

529 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 490 vs AMD Radeon HD 7570

2

NVIDIA GeForce GTX 490 vs AMD Radeon RX 570X

3

NVIDIA GeForce GTX 490 vs Intel Arc Pro A40

4

NVIDIA GeForce GTX 490 vs ATI Radeon HD 3730

5

NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTX 1050

6

NVIDIA GeForce GTX 490 vs NVIDIA L20

7

NVIDIA GeForce GTX 490 vs ATI Radeon X1950 GT

8

NVIDIA GeForce GTX 490 vs NVIDIA GeForce GT 610 PCIe x1

9

NVIDIA GeForce GTX 490 vs AMD Radeon HD 6670

10

NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTX 690

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game