Home GPU Comparison ATI FirePro V7800P vs NVIDIA GeForce GT 420 OEM

ATI FirePro V7800P vs NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7800P 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 V7800P 's Advantages
Released 8 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (128.0GB/s vs 28.80GB/s)
1392 additional rendering cores
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 138W)

Score

Benchmark

FP32 (float)
FirePro V7800P +1404%
2.016 TFLOPS
GeForce GT 420 OEM
0.134 TFLOPS
VS

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

-
-
-
-
-
-
1000 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
128.0GB/s
Bandwidth
28.80GB/s

Render Config

18
Compute Units
-
-
SM Count
1
1440
Shading Units
48
72
TMUs
4
32
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

22.40 GPixel/s
Pixel Rate
1.400 GPixel/s
50.40 GTexel/s
Texture Rate
2.800 GTexel/s
-
-
-
2.016 TFLOPS
FP32 (float)
134.4 GFLOPS
403.2 GFLOPS
FP64 (double)
11.20 GFLOPS

Board Design

138W
TDP
50W
300 W
Suggested PSU
250 W
1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
None

Graphics Processor

Cypress
GPU Name
GF108
Cypress PRO GL
GPU Variant
GF108-200-A1
TeraScale 2
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.154 billion
Transistors
0.585 billion
334 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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