AMD Radeon R9 390X vs NVIDIA GeForce GTX 280

VS

AMD Radeon R9 390X

NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X 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 R9 390X 's Advantages

Released 7 years late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (384.0GB/s vs 141.7GB/s)

2576 additional rendering cores

NVIDIA GeForce GTX 280 's Advantages

Lower TDP (236W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +850%

5.914 TFLOPS

GeForce GTX 280

0.622 TFLOPS

Radeon R9 390X

VS

GeForce GTX 280

Graphics Card

Jun 2015

Release Date

Jun 2008

Pirate Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1107 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

512bit

384.0GB/s

Bandwidth

141.7GB/s

Render Config

44

Compute Units

-

SM Count

30

2816

Shading Units

240

176

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

19.26 GPixel/s

184.8 GTexel/s

Texture Rate

48.16 GTexel/s

-

5.914 TFLOPS

FP32 (float)

622.1 GFLOPS

739.2 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

275W

TDP

236W

600 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

GT200

Grenada XT (215-0880004)

GPU Variant

G200-300-A2

GCN 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

6.2 billion

Transistors

1.4 billion

438 mm²

Die Size

576 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

6.3

Shader Model

4.0

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