AMD Radeon HD 6870 1600SP Edition vs ATI FirePro V7900

VS

AMD Radeon HD 6870 1600SP Edition ATI FirePro V7900

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 2GB VRAM FirePro V7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 1 years and 8 months late

320 additional rendering cores

ATI FirePro V7900 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 134.4GB/s)

Lower TDP (150W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition +46%

2.72 TFLOPS

FirePro V7900

1.856 TFLOPS

Radeon HD 6870 1600SP Edition

VS

FirePro V7900

Graphics Card

Jan 2013

Release Date

May 2011

Northern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

20

Compute Units

20

1600

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

23.20 GPixel/s

68.00 GTexel/s

Texture Rate

58.00 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

1.856 TFLOPS

544.0 GFLOPS

FP64 (double)

464.0 GFLOPS

Graphics Processor

Cypress

GPU Name

Cayman

Cypress XT (215-0735033)

GPU Variant

Cayman PRO GL

TeraScale 2

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

2.64 billion

334 mm²

Die Size

389 mm²

Board Design

175W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

4x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

5.0

Shader Model

5.0

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