Home GPU Comparison NVIDIA GeForce GTX 980 vs ATI Radeon X1550 PCI

NVIDIA GeForce GTX 980 vs ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages
Released 7 years and 8 months late
Boost Clock1216MHz
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (224.4GB/s vs 4.256GB/s)
2048 additional rendering cores
ATI Radeon X1550 PCI 's Advantages
Lower TDP (27W vs 165W)

Score

VS

Graphics Card

Sep 2014
Release Date
Jan 2007
GeForce 900
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

1127 MHz
Base Clock
-
1216 MHz
Boost Clock
-
1753 MHz
Memory Clock
266 MHz

Memory

4GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
224.4GB/s
Bandwidth
4.256GB/s

Render Config

-
-
-
-
-
-
2048
Shading Units
-
128
TMUs
4
64
ROPs
4
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
-
2 MB
L2 Cache
-
-
-
-

Theoretical Performance

77.82 GPixel/s
Pixel Rate
1.808 GPixel/s
155.6 GTexel/s
Texture Rate
1.808 GTexel/s
-
-
-
4.981 TFLOPS
FP32 (float)
-
155.6 GFLOPS
FP64 (double)
-

Board Design

165W
TDP
27W
450 W
Suggested PSU
200 W
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
Outputs
1x DVI 1x VGA 1x S-Video
2x 6-pin
Power Connectors
None

Graphics Processor

GM204
GPU Name
RV516
GM204-400-A1
GPU Variant
-
Maxwell 2.0
Architecture
R500
TSMC
Foundry
UMC
28 nm
Process Size
80 nm
5.2 billion
Transistors
0.107 billion
398 mm²
Die Size
100 mm²

Graphics Features

12 (12_1)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1
3.0
OpenCL
N/A
1.3
Vulkan
N/A
5.2
CUDA
-
6.4
Shader Model
3.0

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