AMD Radeon 550X 640SP vs ATI FirePro V7900

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 2GB VRAM FirePro V7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 6 years and 11 months late

Boost Clock1071MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 150W)

ATI FirePro V7900 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 48.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

FirePro V7900 +35%

1.856 TFLOPS

Radeon 550X 640SP

VS

FirePro V7900

Graphics Card

Apr 2018

Release Date

May 2011

Polaris

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

10

Compute Units

20

640

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

23.20 GPixel/s

42.84 GTexel/s

Texture Rate

58.00 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

1.856 TFLOPS

85.68 GFLOPS

FP64 (double)

464.0 GFLOPS

Graphics Processor

Lexa

GPU Name

Cayman

Lexa PRO (215-0904018)

GPU Variant

Cayman PRO GL

GCN 4.0

Architecture

TeraScale 3

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

2.64 billion

103 mm²

Die Size

389 mm²

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

4x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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