ATI FirePro V7900 SDI vs AMD Radeon HD 7870 XT

VS

ATI FirePro V7900 SDI AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 SDI 's Advantages

Lower TDP (150W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Released 1 years and 6 months late

Boost Clock975MHz

Larger VRAM bandwidth (192.0GB/s vs 160.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900 SDI

1.856 TFLOPS

Radeon HD 7870 XT +61%

2.995 TFLOPS

FirePro V7900 SDI

VS

Radeon HD 7870 XT

Graphics Card

May 2011

Release Date

Nov 2012

FirePro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

192.0GB/s

Render Config

-

SM Count

-

20

Compute Units

24

1280

Shading Units

1536

80

TMUs

96

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

23.20 GPixel/s

Pixel Rate

31.20 GPixel/s

58.00 GTexel/s

Texture Rate

93.60 GTexel/s

-

FP16 (half)

-

1.856 TFLOPS

FP32 (float)

2.995 TFLOPS

464.0 GFLOPS

FP64 (double)

748.8 GFLOPS

Graphics Processor

Cayman

GPU Name

Tahiti

Cayman PRO GL

GPU Variant

Tahiti LE (215-0821122)

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

4.313 billion

389 mm²

Die Size

352 mm²

Board Design

150W

TDP

185W

450 W

Suggested PSU

450 W

4x SDI

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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