ATI FirePro V7900 SDI vs AMD Radeon HD 6450

VS

ATI FirePro V7900 SDI

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 SDI 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1120 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7900 SDI +828%

1.856 TFLOPS

Radeon HD 6450

0.2 TFLOPS

FirePro V7900 SDI

VS

Radeon HD 6450

Graphics Card

May 2011

Release Date

Apr 2011

FirePro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

2

-

1280

Shading Units

160

80

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

2.500 GPixel/s

58.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

1.856 TFLOPS

FP32 (float)

200.0 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

18W

450 W

Suggested PSU

200 W

4x SDI

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Caicos

Cayman PRO GL

GPU Variant

Caicos PRO

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.37 billion

389 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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