AMD Radeon R9 390 vs ATI FireMV 2260 PCIe x1

VS

AMD Radeon R9 390

ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 256MB VRAM FireMV 2260 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Released 7 years and 5 months late

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (384.0GB/s vs 8.000GB/s)

2520 additional rendering cores

ATI FireMV 2260 PCIe x1 's Advantages

Lower TDP (15W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +12700%

5.12 TFLOPS

FireMV 2260 PCIe x1

0.04 TFLOPS

Radeon R9 390

VS

FireMV 2260 PCIe x1

Graphics Card

Jun 2015

Release Date

Jan 2008

Pirate Islands

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

1500 MHz

Memory Clock

500 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

64bit

384.0GB/s

Bandwidth

8.000GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

40

160

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.000 GPixel/s

160.0 GTexel/s

Texture Rate

2.000 GTexel/s

-

5.120 TFLOPS

FP32 (float)

40.00 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

15W

600 W

Suggested PSU

200 W

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

Outputs

2x DisplayPort

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

RV620

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

6.2 billion

Transistors

0.181 billion

438 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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