AMD Radeon HD 7990 vs ATI FireMV 2260 PCIe x1

VS

AMD Radeon HD 7990

ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 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 HD 7990 's Advantages

Released 5 years and 3 months late

Boost Clock1000MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (288.0GB/s vs 8.000GB/s)

2008 additional rendering cores

ATI FireMV 2260 PCIe x1 's Advantages

Lower TDP (15W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +10140%

4.096 TFLOPS

FireMV 2260 PCIe x1

0.04 TFLOPS

Radeon HD 7990

VS

FireMV 2260 PCIe x1

Graphics Card

Apr 2013

Release Date

Jan 2008

Southern Islands

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

8.000GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

40

128

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.000 GPixel/s

128.0 GTexel/s

Texture Rate

2.000 GTexel/s

-

4.096 TFLOPS

FP32 (float)

40.00 GFLOPS

1024 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

15W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DisplayPort

2x 8-pin

Power Connectors

None

Graphics Processor

Malta

GPU Name

RV620

Malta XT (215-0849026)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.181 billion

365 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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