AMD Radeon HD 8490 OEM vs NVIDIA GeForce 7800 GTX 512

VS

AMD Radeon HD 8490 OEM

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM GeForce 7800 GTX 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Released 7 years and 8 months late

More VRAM (1024GB vs 512GB)

160 additional rendering cores

Lower TDP (35W vs 108W)

NVIDIA GeForce 7800 GTX 512 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 14.40GB/s)

Score

Radeon HD 8490 OEM

VS

GeForce 7800 GTX 512

Graphics Card

Jul 2013

Release Date

Nov 2005

Sea Islands

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

51.20GB/s

Render Config

2

Compute Units

-

160

Shading Units

-

8

TMUs

24

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

8.000 GPixel/s

7.000 GTexel/s

Texture Rate

12.00 GTexel/s

-

280.0 GFLOPS

FP32 (float)

-

Board Design

35W

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

G70

Caicos XTX

GPU Variant

GF-7800-GTX-512-A2

TeraScale 2

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

0.37 billion

Transistors

0.302 billion

67 mm²

Die Size

333 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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