ATI FirePro V7900 vs NVIDIA GeForce GT 420 OEM

VS

ATI FirePro V7900

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages

Released 8 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

1232 additional rendering cores

NVIDIA GeForce GT 420 OEM 's Advantages

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7900 +1285%

1.856 TFLOPS

GeForce GT 420 OEM

0.134 TFLOPS

FirePro V7900

VS

GeForce GT 420 OEM

Graphics Card

May 2011

Release Date

Sep 2010

FirePro

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

28.80GB/s

Render Config

20

Compute Units

-

SM Count

1

1280

Shading Units

48

80

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

1.400 GPixel/s

58.00 GTexel/s

Texture Rate

2.800 GTexel/s

-

1.856 TFLOPS

FP32 (float)

134.4 GFLOPS

464.0 GFLOPS

FP64 (double)

11.20 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

4x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

GF108

Cayman PRO GL

GPU Variant

GF108-200-A1

TeraScale 3

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.585 billion

389 mm²

Die Size

116 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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