NVIDIA GeForce GTX 280 vs AMD Radeon HD 6990

VS

NVIDIA GeForce GTX 280 AMD Radeon HD 6990

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 280 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 280 's Advantages

Lower TDP (236W vs 375W)

AMD Radeon HD 6990 's Advantages

Released 2 years and 9 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 141.7GB/s)

1296 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 280

0.622 TFLOPS

Radeon HD 6990 +309%

2.55 TFLOPS

GeForce GTX 280

VS

Radeon HD 6990

Graphics Card

Jun 2008

Release Date

Mar 2011

GeForce 200

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1107 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

256bit

141.7GB/s

Bandwidth

160.0GB/s

Render Config

30

SM Count

-

Compute Units

24

240

Shading Units

1536

80

TMUs

96

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

19.26 GPixel/s

Pixel Rate

26.56 GPixel/s

48.16 GTexel/s

Texture Rate

79.68 GTexel/s

-

FP16 (half)

-

622.1 GFLOPS

FP32 (float)

2.550 TFLOPS

77.76 GFLOPS

FP64 (double)

637.4 GFLOPS

Graphics Processor

GT200

GPU Name

Antilles

G200-300-A2

GPU Variant

Antilles XT (215-0807027)

Tesla 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

1.4 billion

Transistors

2.64 billion

576 mm²

Die Size

389 mm²

Board Design

236W

TDP

375W

550 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

5.0

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