AMD Radeon HD 6990 vs NVIDIA GeForce 6800 GS

VS

AMD Radeon HD 6990 NVIDIA GeForce 6800 GS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 256MB VRAM GeForce 6800 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 5 years and 4 months late

Larger VRAM bandwidth (160.0GB/s vs 32.00GB/s)

1536 additional rendering cores

Score

Radeon HD 6990

VS

GeForce 6800 GS

Graphics Card

Mar 2011

Release Date

Nov 2005

Northern Islands

Generation

GeForce 6 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

24

Compute Units

-

1536

Shading Units

-

96

TMUs

12

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

3.400 GPixel/s

79.68 GTexel/s

Texture Rate

5.100 GTexel/s

-

FP16 (half)

-

2.550 TFLOPS

FP32 (float)

-

637.4 GFLOPS

FP64 (double)

-

Graphics Processor

Antilles

GPU Name

NV41

Antilles XT (215-0807027)

GPU Variant

-

TeraScale 3

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

2.64 billion

Transistors

0.19 billion

389 mm²

Die Size

225 mm²

Board Design

375W

TDP

Unknown

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.0 (full) 2.1 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

3.0

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