AMD Radeon R9 390 vs NVIDIA GeForce 6800

VS

AMD Radeon R9 390

NVIDIA GeForce 6800

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 256MB VRAM GeForce 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Released 10 years and 7 months late

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (384.0GB/s vs 19.20GB/s)

2560 additional rendering cores

Score

Radeon R9 390

VS

GeForce 6800

Graphics Card

Jun 2015

Release Date

Nov 2004

Pirate Islands

Generation

GeForce 6 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

300 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

DDR

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

19.20GB/s

Render Config

40

Compute Units

-

2560

Shading Units

-

160

TMUs

12

64

ROPs

8

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.600 GPixel/s

160.0 GTexel/s

Texture Rate

3.900 GTexel/s

-

5.120 TFLOPS

FP32 (float)

-

640.0 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

Unknown

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

NV41

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

Curie

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

6.2 billion

Transistors

0.19 billion

438 mm²

Die Size

225 mm²

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

3.0

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