AMD Radeon HD 6790 vs NVIDIA GeForce GTX 280

VS

AMD Radeon HD 6790

NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM GeForce GTX 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Released 2 years and 10 months late

560 additional rendering cores

Lower TDP (150W vs 236W)

NVIDIA GeForce GTX 280 's Advantages

Larger VRAM bandwidth (141.7GB/s vs 134.4GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +116%

1.344 TFLOPS

GeForce GTX 280

0.622 TFLOPS

Radeon HD 6790

VS

GeForce GTX 280

Graphics Card

Apr 2011

Release Date

Jun 2008

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1107 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

134.4GB/s

Bandwidth

141.7GB/s

Render Config

10

Compute Units

-

SM Count

30

800

Shading Units

240

40

TMUs

80

16

ROPs

32

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

19.26 GPixel/s

33.60 GTexel/s

Texture Rate

48.16 GTexel/s

-

1344 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

77.76 GFLOPS

Board Design

150W

TDP

236W

450 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

GT200

Barts LE (215-0798002)

GPU Variant

G200-300-A2

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.7 billion

Transistors

1.4 billion

255 mm²

Die Size

576 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

5.0

Shader Model

4.0

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